--- _id: '16934' abstract: - lang: eng text: 'To build successful products, the developers have to adapt their product features and business models to uncertain customer needs. This adaptation is part of the research discipline of Hypotheses Engineering (HE) where customer needs can be seen as hypotheses that need to be tested iteratively by conducting experiments together with the customer. So far, modeling support and associated traceability of this iterative process are missing. Both, in turn, are important to document the adaptation to the customer needs and identify experiments that provide most evidence to the customer needs. To target this issue, we introduce a model-based HE approach with a twofold contribution: First, we develop a modeling language that models hypotheses and experiments as interrelated hierarchies together with a mapping between them. While the hypotheses are labeled with a score level of their current evidence, the experiments are labeled with a score level of maximum evidence that can be achieved during conduction. Second, we provide an iterative process to determine experiments that offer the most evidence improvement to the modeled hypotheses. We illustrate the usefulness of the approach with an example of testing the business model of a mobile application.' author: - first_name: Sebastian full_name: Gottschalk, Sebastian id: '47208' last_name: Gottschalk - first_name: Enes full_name: Yigitbas, Enes id: '8447' last_name: Yigitbas orcid: 0000-0002-5967-833X - first_name: Gregor full_name: Engels, Gregor id: '107' last_name: Engels citation: ama: 'Gottschalk S, Yigitbas E, Engels G. Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs. In: Shishkov B, ed. Business Modeling and Software Design. Vol 391. Lecture Notes in Business Information Processing. Springer International Publishing; 2020:276-286. doi:10.1007/978-3-030-52306-0_18' apa: 'Gottschalk, S., Yigitbas, E., & Engels, G. (2020). Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs. In B. Shishkov (Ed.), Business Modeling and Software Design (Vol. 391, pp. 276–286). Potsdam: Springer International Publishing. https://doi.org/10.1007/978-3-030-52306-0_18' bibtex: '@inproceedings{Gottschalk_Yigitbas_Engels_2020, series={Lecture Notes in Business Information Processing}, title={Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs}, volume={391}, DOI={10.1007/978-3-030-52306-0_18}, booktitle={Business Modeling and Software Design}, publisher={Springer International Publishing}, author={Gottschalk, Sebastian and Yigitbas, Enes and Engels, Gregor}, editor={Shishkov, BorisEditor}, year={2020}, pages={276–286}, collection={Lecture Notes in Business Information Processing} }' chicago: Gottschalk, Sebastian, Enes Yigitbas, and Gregor Engels. “Model-Based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs.” In Business Modeling and Software Design, edited by Boris Shishkov, 391:276–86. Lecture Notes in Business Information Processing. Springer International Publishing, 2020. https://doi.org/10.1007/978-3-030-52306-0_18. ieee: S. Gottschalk, E. Yigitbas, and G. Engels, “Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs,” in Business Modeling and Software Design, Potsdam, 2020, vol. 391, pp. 276–286. mla: Gottschalk, Sebastian, et al. “Model-Based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs.” Business Modeling and Software Design, edited by Boris Shishkov, vol. 391, Springer International Publishing, 2020, pp. 276–86, doi:10.1007/978-3-030-52306-0_18. short: 'S. Gottschalk, E. Yigitbas, G. Engels, in: B. Shishkov (Ed.), Business Modeling and Software Design, Springer International Publishing, 2020, pp. 276–286.' conference: end_date: 2020-07-08 location: Potsdam name: '10th International Symposium on Business Modeling and Software Design ' start_date: 2020-07-06 date_created: 2020-05-04T12:27:38Z date_updated: 2022-01-06T06:52:59Z ddc: - '006' department: - _id: '66' doi: 10.1007/978-3-030-52306-0_18 editor: - first_name: Boris full_name: Shishkov, Boris last_name: Shishkov file: - access_level: open_access content_type: application/pdf creator: sego date_created: 2020-07-14T09:25:30Z date_updated: 2020-07-14T09:28:33Z file_id: '17380' file_name: BMSD20.pdf file_size: 267658 relation: main_file file_date_updated: 2020-07-14T09:28:33Z has_accepted_license: '1' intvolume: ' 391' keyword: - Hypothesis Engineering - Model-based - Customer Need Adaptation - Business Model - Product Features language: - iso: eng oa: '1' page: 276-286 project: - _id: '1' name: SFB 901 - _id: '4' name: SFB 901 - Project Area C - _id: '17' name: SFB 901 - Subproject C5 publication: Business Modeling and Software Design publisher: Springer International Publishing series_title: Lecture Notes in Business Information Processing status: public title: Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs type: conference user_id: '47208' volume: 391 year: '2020' ... --- _id: '20143' author: - first_name: Mortaza full_name: Otroshi, Mortaza id: '71269' last_name: Otroshi orcid: 0000-0002-8652-9209 - first_name: Moritz full_name: Rossel, Moritz last_name: Rossel - first_name: Gerson full_name: Meschut, Gerson id: '32056' last_name: Meschut orcid: 0000-0002-2763-1246 citation: ama: Otroshi M, Rossel M, Meschut G. Stress state dependent damage modeling of self-pierce riveting process simulation using GISSMO damage model. Journal of Advanced Joining Processes. 2020;1. doi:10.1016/j.jajp.2020.100015 apa: Otroshi, M., Rossel, M., & Meschut, G. (2020). Stress state dependent damage modeling of self-pierce riveting process simulation using GISSMO damage model. Journal of Advanced Joining Processes, 1. https://doi.org/10.1016/j.jajp.2020.100015 bibtex: '@article{Otroshi_Rossel_Meschut_2020, title={Stress state dependent damage modeling of self-pierce riveting process simulation using GISSMO damage model}, volume={1}, DOI={10.1016/j.jajp.2020.100015}, journal={Journal of Advanced Joining Processes}, publisher={Elsevier}, author={Otroshi, Mortaza and Rossel, Moritz and Meschut, Gerson}, year={2020} }' chicago: Otroshi, Mortaza, Moritz Rossel, and Gerson Meschut. “Stress State Dependent Damage Modeling of Self-Pierce Riveting Process Simulation Using GISSMO Damage Model.” Journal of Advanced Joining Processes 1 (2020). https://doi.org/10.1016/j.jajp.2020.100015. ieee: 'M. Otroshi, M. Rossel, and G. Meschut, “Stress state dependent damage modeling of self-pierce riveting process simulation using GISSMO damage model,” Journal of Advanced Joining Processes, vol. 1, 2020, doi: 10.1016/j.jajp.2020.100015.' mla: Otroshi, Mortaza, et al. “Stress State Dependent Damage Modeling of Self-Pierce Riveting Process Simulation Using GISSMO Damage Model.” Journal of Advanced Joining Processes, vol. 1, Elsevier, 2020, doi:10.1016/j.jajp.2020.100015. short: M. Otroshi, M. Rossel, G. Meschut, Journal of Advanced Joining Processes 1 (2020). date_created: 2020-10-20T14:49:15Z date_updated: 2022-04-25T07:49:50Z department: - _id: '157' doi: 10.1016/j.jajp.2020.100015 intvolume: ' 1' keyword: - Self-pierce riveting - Ductile fracture - Damage modeling - GISSMO damage model language: - iso: eng main_file_link: - open_access: '1' oa: '1' publication: Journal of Advanced Joining Processes publisher: Elsevier quality_controlled: '1' status: public title: Stress state dependent damage modeling of self-pierce riveting process simulation using GISSMO damage model type: journal_article user_id: '71269' volume: 1 year: '2020' ... --- _id: '35298' abstract: - lang: ger text: Im Artikel werden drei verschiedene Lernzugänge (kom-petenzorientiertes, ästhetisches und biographisches Lernen) vorgestellt und aus theoretischer Perspektive deren motivierender Gehalt für selbstreguliertes Lernen in Praxisphasen des Lehramtsstudiumsherausgearbeitet. Als theoretische Grund-lage dient die Selbstbestimmungstheorie als zentrale motivationale Theorie zur Erklärung selbstbestimmten Handelns. - lang: eng text: The article addresses how motivational learning approaches (competency-oriented, aesthetic and biographical) can contribute to the professionalization of preservice teachers during a long-term internship. As a theoretical basis, the self-determination theory serves as a central motivational theory for explaining self-determined action. alternative_title: - Ein Blick auf kompetenzorientiertes, ästhetisches und biographisches Lernen im Lehramtsstudium author: - first_name: Carina full_name: Caruso, Carina id: '23123' last_name: Caruso - first_name: Christine full_name: Adammek, Christine last_name: Adammek - first_name: Sabrina full_name: Bonanati, Sabrina last_name: Bonanati - first_name: Sybille full_name: Wiescholek, Sybille last_name: Wiescholek citation: ama: Caruso C, Adammek C, Bonanati S, Wiescholek S. Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen. Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion. 2020;3(1):18-33. doi:10.4119/hlz-2540 apa: Caruso, C., Adammek, C., Bonanati, S., & Wiescholek, S. (2020). Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen. Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion, 3(1), 18–33. https://doi.org/10.4119/hlz-2540 bibtex: '@article{Caruso_Adammek_Bonanati_Wiescholek_2020, title={Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen}, volume={3}, DOI={10.4119/hlz-2540}, number={1}, journal={Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion}, author={Caruso, Carina and Adammek, Christine and Bonanati, Sabrina and Wiescholek, Sybille}, year={2020}, pages={18–33} }' chicago: 'Caruso, Carina, Christine Adammek, Sabrina Bonanati, and Sybille Wiescholek. “Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen.” Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion 3, no. 1 (2020): 18–33. https://doi.org/10.4119/hlz-2540.' ieee: 'C. Caruso, C. Adammek, S. Bonanati, and S. Wiescholek, “Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen,” Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion, vol. 3, no. 1, pp. 18–33, 2020, doi: 10.4119/hlz-2540.' mla: Caruso, Carina, et al. “Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen.” Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion, vol. 3, no. 1, 2020, pp. 18–33, doi:10.4119/hlz-2540. short: C. Caruso, C. Adammek, S. Bonanati, S. Wiescholek, Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion 3 (2020) 18–33. date_created: 2023-01-05T13:58:28Z date_updated: 2023-01-06T12:18:16Z doi: 10.4119/hlz-2540 intvolume: ' 3' issue: '1' keyword: - ästhetische Forschung - Biographiearbeit - Praxissemester - Professionalisierung - selbstreguliertes Lernen - Motivation / aesthetic research - biographical work - long-term internship - profes-sionalization - self-regulated learning - motivation language: - iso: other page: 18-33 publication: Herausforderung Lehrer*innenbildung - Zeitschrift Zur Konzeption, Gestaltung Und Diskussion publication_identifier: issn: - 2625-0675 publication_status: published status: public title: Motivierende Lernzugänge als Ausgangspunkt der Professionalisierung angehender Lehrer_innen type: journal_article user_id: '86519' volume: 3 year: '2020' ... --- _id: '19974' abstract: - lang: eng text: Due to the trend towards lightweight design in car body development mechanical joining technologies become increasingly important. These techniques allow for the joining of dissimilar materials and thus enable multi-material design, while thermic joining methods reach their limits. Semi-tubular self-piercing riveting is an important mechanical joining technology. The rivet production, however, is costly and time-consuming, as the process consists of several process steps including the heat treatment and coating of the rivets in order to achieve an adequate strength and corrosion resistance. The use of high nitrogen steel as rivet material leads to the possibility of reducing process steps and hence increasing the efficiency of the process. However, the high tool loads being expected due to the high strain hardening of the material are a major challenge during the rivet production. Thus, there is a need for appropriate forming strategies, such as the manufacturing of the rivets at elevated temperatures. Prior investigations led to the conclusion that forming already at 200 °C results in a distinct reduction of the yield strength. To create a deeper understanding of the forming behaviour of high nitrogen steel at elevated temperatures, compression tests were conducted in a temperature range between room temperature and 200 °C. The determined true stress – true strain curves are the basis for the further process and tool design of the rivet production. Another key factor for the rivet manufacturing at elevated temperatures is the influence of the process temperature on the tribological conditions. For this reason, ring compression tests at room temperature and 200 °C are carried out. The friction factors are determined on the basis of calibration curves resulting from the numerical analysis of the ring compression process. The investigations indicate that the friction factor at 200 °C is significantly higher compared to room temperature. This essential fact has to be taken into account for the process and tool design for the rivet production using high nitrogen steel. article_number: '100023' citation: ama: Kuball C-M, Jung R, Uhe B, Meschut G, Merklein M, eds. Influence of the Process Temperature on the Forming Behaviour and the Friction during Bulk Forming of High Nitrogen Steel. Vol 1.; 2020. doi:10.1016/j.jajp.2020.100023 apa: Kuball, C.-M., Jung, R., Uhe, B., Meschut, G., & Merklein, M. (Eds.). (2020). Influence of the process temperature on the forming behaviour and the friction during bulk forming of high nitrogen steel (No. 100023; Vol. 1). https://doi.org/10.1016/j.jajp.2020.100023 bibtex: '@book{Kuball_Jung_Uhe_Meschut_Merklein_2020, series={Journal of Advanced Joining Processes}, title={Influence of the process temperature on the forming behaviour and the friction during bulk forming of high nitrogen steel}, volume={1}, DOI={10.1016/j.jajp.2020.100023}, number={100023}, year={2020}, collection={Journal of Advanced Joining Processes} }' chicago: Kuball, Clara-Maria, R Jung, Benedikt Uhe, Gerson Meschut, and Marion Merklein, eds. Influence of the Process Temperature on the Forming Behaviour and the Friction during Bulk Forming of High Nitrogen Steel. Vol. 1. Journal of Advanced Joining Processes, 2020. https://doi.org/10.1016/j.jajp.2020.100023. ieee: C.-M. Kuball, R. Jung, B. Uhe, G. Meschut, and M. Merklein, Eds., Influence of the process temperature on the forming behaviour and the friction during bulk forming of high nitrogen steel, vol. 1. 2020. mla: Kuball, Clara-Maria, et al., editors. Influence of the Process Temperature on the Forming Behaviour and the Friction during Bulk Forming of High Nitrogen Steel. 100023, 2020, doi:10.1016/j.jajp.2020.100023. short: C.-M. Kuball, R. Jung, B. Uhe, G. Meschut, M. Merklein, eds., Influence of the Process Temperature on the Forming Behaviour and the Friction during Bulk Forming of High Nitrogen Steel, 2020. date_created: 2020-10-12T08:23:27Z date_updated: 2023-04-28T09:19:41Z department: - _id: '157' doi: 10.1016/j.jajp.2020.100023 editor: - first_name: Clara-Maria full_name: Kuball, Clara-Maria last_name: Kuball - first_name: R full_name: Jung, R last_name: Jung - first_name: Benedikt full_name: Uhe, Benedikt id: '38131' last_name: Uhe - first_name: Gerson full_name: Meschut, Gerson id: '32056' last_name: Meschut orcid: 0000-0002-2763-1246 - first_name: Marion full_name: Merklein, Marion last_name: Merklein intvolume: ' 1' keyword: - High nitrogen steel - Self-piercing riveting - Joining by forming - Bulk forming - Strain hardening language: - iso: eng publication_status: published quality_controlled: '1' series_title: Journal of Advanced Joining Processes status: public title: Influence of the process temperature on the forming behaviour and the friction during bulk forming of high nitrogen steel type: conference_editor user_id: '38131' volume: 1 year: '2020' ... --- _id: '19973' abstract: - lang: eng text: As a result of lightweight design, increased use is being made of high-strength steel and aluminium in car bodies. Self-piercing riveting is an established technique for joining these materials. The dissimilar properties of the two materials have led to a number of different rivet geometries in the past. Each rivet geometry fulfils the requirements of the materials within a limited range. In the present investigation, an improved rivet geometry is developed, which permits the reliable joining of two material combinations that could only be joined by two different rivet geometries up until now. Material combination 1 consists of high-strength steel on both sides, while material combination 2 comprises aluminium on the punch side and high-strength steel on the die side. The material flow and the stress and strain conditions prevailing during the joining process are analysed by means of numerical simulation. The rivet geometry is then improved step-by-step on the basis of this analysis. Finally, the improved rivet geometry is manufactured and the findings of the investigation are verified in experimental joining tests. article_type: original author: - first_name: Benedikt full_name: Uhe, Benedikt id: '38131' last_name: Uhe - first_name: Clara-Maria full_name: Kuball, Clara-Maria last_name: Kuball - first_name: Marion full_name: Merklein, Marion last_name: Merklein - first_name: Gerson full_name: Meschut, Gerson id: '32056' last_name: Meschut orcid: 0000-0002-2763-1246 citation: ama: Uhe B, Kuball C-M, Merklein M, Meschut G. Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints. Production Engineering. 2020;14:417-423. doi:10.1007/s11740-020-00973-w apa: Uhe, B., Kuball, C.-M., Merklein, M., & Meschut, G. (2020). Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints. Production Engineering, 14, 417–423. https://doi.org/10.1007/s11740-020-00973-w bibtex: '@article{Uhe_Kuball_Merklein_Meschut_2020, title={Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints}, volume={14}, DOI={10.1007/s11740-020-00973-w}, journal={Production Engineering}, author={Uhe, Benedikt and Kuball, Clara-Maria and Merklein, Marion and Meschut, Gerson}, year={2020}, pages={417–423} }' chicago: 'Uhe, Benedikt, Clara-Maria Kuball, Marion Merklein, and Gerson Meschut. “Improvement of a Rivet Geometry for the Self-Piercing Riveting of High-Strength Steel and Multi-Material Joints.” Production Engineering 14 (2020): 417–23. https://doi.org/10.1007/s11740-020-00973-w.' ieee: 'B. Uhe, C.-M. Kuball, M. Merklein, and G. Meschut, “Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints,” Production Engineering, vol. 14, pp. 417–423, 2020, doi: 10.1007/s11740-020-00973-w.' mla: Uhe, Benedikt, et al. “Improvement of a Rivet Geometry for the Self-Piercing Riveting of High-Strength Steel and Multi-Material Joints.” Production Engineering, vol. 14, 2020, pp. 417–23, doi:10.1007/s11740-020-00973-w. short: B. Uhe, C.-M. Kuball, M. Merklein, G. Meschut, Production Engineering 14 (2020) 417–423. date_created: 2020-10-12T08:14:13Z date_updated: 2023-04-28T09:20:41Z department: - _id: '157' doi: 10.1007/s11740-020-00973-w intvolume: ' 14' keyword: - Self-piercing riveting - Joining technology - Rivet geometry - Multi-material design - High-strength steel - Aluminium language: - iso: eng page: 417-423 publication: Production Engineering publication_status: published quality_controlled: '1' status: public title: Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints type: journal_article user_id: '38131' volume: 14 year: '2020' ... --- _id: '10000' abstract: - lang: eng text: Ultraschall wird zur Effizienzsteigerung in verfahrenstechnischen Prozessen eingesetzt. Die Betriebsparamter der Ultraschallsysteme werden empirisch ermittelt, da derzeit keine systematische Analyse der Wechselwirkung zwischen Ultraschallwandler und Schallfeld sowie kein Verfahren zur Messung der Kavitationsaktivität ohne zusätzlichen Sensor existieren. Auf Basis einer experimentellen Analyse des betrachteten sonochemischen Reaktors wird ein Finite-Elemente-Modell aufgebaut, das die Wechselwirkung zwischen Schallfeld und Ultraschallwandler berücksichtigt. Die modellbasierte Analyse zeigt, dass wegen der akustischen Eigenschaften des Autoklavs nur direkt an der Sonotrode Kavitation entsteht. Die Wechselwirkung zwischen Ultraschallwandler und Schallfeld ermöglicht Aussagen über das Schallfeld und die Kavitationsaktivität auf Basis der Rückwirkung auf den Ultraschallwandler. Die lineare Schalldruckverteilung ermöglicht eine Prognose über die Verteilung von Kavitationszonen. Das beschriebene Modell liefert wertvolle Erkenntnisse für die Auslegung, Analyse und Skalierung sonochemischer Reaktoren. Auf Grund der rauen Prozessrandbedingungen ist die Applikation von Sensoren zur Überwachung der Kavitationsaktivität in vielen sonochemischen Prozessen nicht möglich. Zur prozessbegleitenden Messung der Kavitationsaktivität wird ein Verfahren entwickelt, das die Bewertung der Kavitationsaktivität durch Auswertung der Rückwirkung auf den Ultraschallwandler erlaubt. Das Messverfahren ermöglicht eine vorhersagbare und reproduzierbare Durchführung kavitationsbasierter Prozesse und stellt eine wichtige Erweiterung für bestehende und neue Ultraschallsysteme dar. author: - first_name: Peter full_name: Bornmann, Peter last_name: Bornmann citation: ama: Bornmann P. Modellierung Und Experimentelle Charakterisierung Der Wechselwirkung Zwischen Ultraschallwandler Und Flüssigkeit in Kavitationsbasierten Prozessen. Shaker; 2019. apa: Bornmann, P. (2019). Modellierung und experimentelle Charakterisierung der Wechselwirkung zwischen Ultraschallwandler und Flüssigkeit in kavitationsbasierten Prozessen. Shaker. bibtex: '@book{Bornmann_2019, title={Modellierung und experimentelle Charakterisierung der Wechselwirkung zwischen Ultraschallwandler und Flüssigkeit in kavitationsbasierten Prozessen}, publisher={Shaker}, author={Bornmann, Peter}, year={2019} }' chicago: Bornmann, Peter. Modellierung Und Experimentelle Charakterisierung Der Wechselwirkung Zwischen Ultraschallwandler Und Flüssigkeit in Kavitationsbasierten Prozessen. Shaker, 2019. ieee: P. Bornmann, Modellierung und experimentelle Charakterisierung der Wechselwirkung zwischen Ultraschallwandler und Flüssigkeit in kavitationsbasierten Prozessen. Shaker, 2019. mla: Bornmann, Peter. Modellierung Und Experimentelle Charakterisierung Der Wechselwirkung Zwischen Ultraschallwandler Und Flüssigkeit in Kavitationsbasierten Prozessen. Shaker, 2019. short: P. Bornmann, Modellierung Und Experimentelle Charakterisierung Der Wechselwirkung Zwischen Ultraschallwandler Und Flüssigkeit in Kavitationsbasierten Prozessen, Shaker, 2019. date_created: 2019-05-27T10:29:53Z date_updated: 2023-09-15T12:23:55Z department: - _id: '151' keyword: - Sonochemie - Akustische Kavitation - Kavitationsmessung - Kavitationsdetektion - FEM-Simulation Ultraschallwandler - Prozessüberwachung - FEM-Simulation Schallfeld - Self-Sensing - Piezoelektrische Ultraschallwandler - Ultraschallreinigung language: - iso: eng publisher: Shaker status: public title: Modellierung und experimentelle Charakterisierung der Wechselwirkung zwischen Ultraschallwandler und Flüssigkeit in kavitationsbasierten Prozessen type: dissertation user_id: '210' year: '2019' ... --- _id: '1163' abstract: - lang: eng text: "In this paper we present two major results:\r\nFirst, we introduce the first self-stabilizing version of a supervised overlay network (as introduced in~\\cite{DBLP:conf/ispan/KothapalliS05}) by presenting a self-stabilizing supervised skip ring.\r\nSecondly, we show how to use the self-stabilizing supervised skip ring to construct an efficient self-stabilizing publish-subscribe system.\r\nThat is, in addition to stabilizing the overlay network, every subscriber of a topic will eventually know all of the publications that have been issued so far for that topic. The communication work needed to processes a subscribe or unsubscribe operation is just a constant in a legitimate state, and the communication work of checking whether the system is still in a legitimate state is just a constant on expectation for the supervisor as well as any process in the system.\r\n" author: - first_name: Michael full_name: Feldmann, Michael id: '23538' last_name: Feldmann - first_name: Christina full_name: Kolb, Christina id: '43647' last_name: Kolb - first_name: Christian full_name: Scheideler, Christian id: '20792' last_name: Scheideler - first_name: Thim Frederik full_name: Strothmann, Thim Frederik id: '11319' last_name: Strothmann citation: ama: 'Feldmann M, Kolb C, Scheideler C, Strothmann TF. Self-Stabilizing Supervised Publish-Subscribe Systems. In: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). IEEE; 2018. doi:10.1109/IPDPS.2018.00114' apa: 'Feldmann, M., Kolb, C., Scheideler, C., & Strothmann, T. F. (2018). Self-Stabilizing Supervised Publish-Subscribe Systems. In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). Vancouver: IEEE. https://doi.org/10.1109/IPDPS.2018.00114' bibtex: '@inproceedings{Feldmann_Kolb_Scheideler_Strothmann_2018, title={Self-Stabilizing Supervised Publish-Subscribe Systems}, DOI={10.1109/IPDPS.2018.00114}, booktitle={Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)}, publisher={IEEE}, author={Feldmann, Michael and Kolb, Christina and Scheideler, Christian and Strothmann, Thim Frederik}, year={2018} }' chicago: Feldmann, Michael, Christina Kolb, Christian Scheideler, and Thim Frederik Strothmann. “Self-Stabilizing Supervised Publish-Subscribe Systems.” In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). IEEE, 2018. https://doi.org/10.1109/IPDPS.2018.00114. ieee: M. Feldmann, C. Kolb, C. Scheideler, and T. F. Strothmann, “Self-Stabilizing Supervised Publish-Subscribe Systems,” in Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), Vancouver, 2018. mla: Feldmann, Michael, et al. “Self-Stabilizing Supervised Publish-Subscribe Systems.” Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), IEEE, 2018, doi:10.1109/IPDPS.2018.00114. short: 'M. Feldmann, C. Kolb, C. Scheideler, T.F. Strothmann, in: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), IEEE, 2018.' conference: end_date: 2018-5-24 location: Vancouver name: 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS) start_date: 2018-5-22 date_created: 2018-02-01T13:56:01Z date_updated: 2022-01-06T06:51:05Z ddc: - '040' department: - _id: '79' - _id: '66' doi: 10.1109/IPDPS.2018.00114 external_id: arxiv: - '1710.08128' file: - access_level: closed content_type: application/pdf creator: mfeldma2 date_created: 2018-10-31T13:25:37Z date_updated: 2018-10-31T13:25:37Z file_id: '5211' file_name: 08425258.pdf file_size: 239559 relation: main_file success: 1 file_date_updated: 2018-10-31T13:25:37Z has_accepted_license: '1' keyword: - Topological Self-stabilization - Supervised Overlay - Publish-Subscribe System language: - iso: eng project: - _id: '1' name: SFB 901 - _id: '2' name: SFB 901 - Project Area A - _id: '5' name: SFB 901 - Subproject A1 publication: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS) publisher: IEEE status: public title: Self-Stabilizing Supervised Publish-Subscribe Systems type: conference user_id: '11319' year: '2018' ... --- _id: '4411' abstract: - lang: eng text: "While a lot of research in distributed computing has covered solutions for self-stabilizing computing and topologies, there is far less work on self-stabilization for distributed data structures.\r\nConsidering crashing peers in peer-to-peer networks, it should not be taken for granted that a distributed data structure remains intact.\r\nIn this work, we present a self-stabilizing protocol for a distributed data structure called the hashed Patricia Trie (Kniesburges and Scheideler WALCOM'11) that enables efficient prefix search on a set of keys.\r\nThe data structure has a wide area of applications including string matching problems while offering low overhead and efficient operations when embedded on top of a distributed hash table.\r\nEspecially, longest prefix matching for $x$ can be done in $\\mathcal{O}(\\log |x|)$ hash table read accesses.\r\nWe show how to maintain the structure in a self-stabilizing way.\r\nOur protocol assures low overhead in a legal state and a total (asymptotically optimal) memory demand of $\\Theta(d)$ bits, where $d$ is the number of bits needed for storing all keys." author: - first_name: Till full_name: Knollmann, Till id: '39241' last_name: Knollmann orcid: 0000-0003-2014-4696 - first_name: Christian full_name: Scheideler, Christian id: '20792' last_name: Scheideler citation: ama: 'Knollmann T, Scheideler C. A Self-Stabilizing Hashed Patricia Trie. In: Izumi T, Kuznetsov P, eds. Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS). Vol 11201. Lecture Notes of Computer Science. Springer, Cham; 2018. doi:10.1007/978-3-030-03232-6_1' apa: 'Knollmann, T., & Scheideler, C. (2018). A Self-Stabilizing Hashed Patricia Trie. In T. Izumi & P. Kuznetsov (Eds.), Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS) (Vol. 11201). Tokyo: Springer, Cham. https://doi.org/10.1007/978-3-030-03232-6_1' bibtex: '@inproceedings{Knollmann_Scheideler_2018, series={Lecture Notes of Computer Science}, title={A Self-Stabilizing Hashed Patricia Trie}, volume={11201}, DOI={10.1007/978-3-030-03232-6_1}, booktitle={Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)}, publisher={Springer, Cham}, author={Knollmann, Till and Scheideler, Christian}, editor={Izumi, Taisuke and Kuznetsov, PetrEditors}, year={2018}, collection={Lecture Notes of Computer Science} }' chicago: Knollmann, Till, and Christian Scheideler. “A Self-Stabilizing Hashed Patricia Trie.” In Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), edited by Taisuke Izumi and Petr Kuznetsov, Vol. 11201. Lecture Notes of Computer Science. Springer, Cham, 2018. https://doi.org/10.1007/978-3-030-03232-6_1. ieee: T. Knollmann and C. Scheideler, “A Self-Stabilizing Hashed Patricia Trie,” in Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Tokyo, 2018, vol. 11201. mla: Knollmann, Till, and Christian Scheideler. “A Self-Stabilizing Hashed Patricia Trie.” Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), edited by Taisuke Izumi and Petr Kuznetsov, vol. 11201, Springer, Cham, 2018, doi:10.1007/978-3-030-03232-6_1. short: 'T. Knollmann, C. Scheideler, in: T. Izumi, P. Kuznetsov (Eds.), Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Springer, Cham, 2018.' conference: end_date: 2018-11-07 location: Tokyo name: 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS) start_date: 2018-11-04 date_created: 2018-09-17T13:12:18Z date_updated: 2022-01-06T07:01:02Z ddc: - '000' department: - _id: '63' - _id: '79' doi: 10.1007/978-3-030-03232-6_1 editor: - first_name: Taisuke full_name: Izumi, Taisuke last_name: Izumi - first_name: Petr full_name: Kuznetsov, Petr last_name: Kuznetsov external_id: arxiv: - '1809.04923' file: - access_level: closed content_type: application/pdf creator: ups date_created: 2018-11-02T14:38:37Z date_updated: 2018-11-02T14:38:37Z file_id: '5277' file_name: ASelf-stabilizingHashedPatrici.pdf file_size: 500005 relation: main_file success: 1 file_date_updated: 2018-11-02T14:38:37Z has_accepted_license: '1' intvolume: ' 11201' keyword: - Self-Stabilizing - Prefix Search - Distributed Data Structure language: - iso: eng project: - _id: '1' name: SFB 901 - _id: '2' name: SFB 901 - Project Area A - _id: '5' name: SFB 901 - Subproject A1 publication: Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS) publisher: Springer, Cham series_title: Lecture Notes of Computer Science status: public title: A Self-Stabilizing Hashed Patricia Trie type: conference user_id: '39241' volume: 11201 year: '2018' ... --- _id: '9999' abstract: - lang: eng text: Ultrasonic wire bonding is an indispensable process in the industrial manufacturing of semiconductor devices. Copper wire is increasingly replacing the well-established aluminium wire because of its superior electrical, thermal and mechanical properties. Copper wire processes differ significantly from aluminium processes and are more sensitive to disturbances, which reduces the range of parameter values suitable for a stable process. Disturbances can be compensated by an adaption of process parameters, but finding suitable parameters manually is difficult and time-consuming. This paper presents a physical model of the ultrasonic wire bonding process including the friction contact between tool and wire. This model yields novel insights into the process. A prototype of a multi-objective optimizing bonding machine (MOBM) is presented. It uses multi-objective optimization, based on the complete process model, to automatically select the best operating point as a compromise of concurrent objectives. author: - first_name: Andreas full_name: Unger, Andreas last_name: Unger - first_name: Matthias full_name: Hunstig, Matthias last_name: Hunstig - first_name: Tobias full_name: Meyer, Tobias last_name: Meyer - first_name: Michael full_name: Brökelmann, Michael last_name: Brökelmann - first_name: Walter full_name: Sextro, Walter id: '21220' last_name: Sextro citation: ama: 'Unger A, Hunstig M, Meyer T, Brökelmann M, Sextro W. Intelligent Production of Wire Bonds using Multi-Objective Optimization – Insights, Opportunities and Challenges. In: In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018. Vol Vol. 2018, No. 1, pp. 000572-000577. ; 2018. doi:10.4071/2380-4505-2018.1.000572' apa: Unger, A., Hunstig, M., Meyer, T., Brökelmann, M., & Sextro, W. (2018). Intelligent Production of Wire Bonds using Multi-Objective Optimization – Insights, Opportunities and Challenges. In In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018 (Vol. Vol. 2018, No. 1, pp. 000572-000577.). https://doi.org/10.4071/2380-4505-2018.1.000572 bibtex: '@inproceedings{Unger_Hunstig_Meyer_Brökelmann_Sextro_2018, title={Intelligent Production of Wire Bonds using Multi-Objective Optimization – Insights, Opportunities and Challenges}, volume={Vol. 2018, No. 1, pp. 000572-000577.}, DOI={10.4071/2380-4505-2018.1.000572}, booktitle={In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018}, author={Unger, Andreas and Hunstig, Matthias and Meyer, Tobias and Brökelmann, Michael and Sextro, Walter}, year={2018} }' chicago: Unger, Andreas, Matthias Hunstig, Tobias Meyer, Michael Brökelmann, and Walter Sextro. “Intelligent Production of Wire Bonds Using Multi-Objective Optimization – Insights, Opportunities and Challenges.” In In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018, Vol. Vol. 2018, No. 1, pp. 000572-000577., 2018. https://doi.org/10.4071/2380-4505-2018.1.000572. ieee: A. Unger, M. Hunstig, T. Meyer, M. Brökelmann, and W. Sextro, “Intelligent Production of Wire Bonds using Multi-Objective Optimization – Insights, Opportunities and Challenges,” in In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018, 2018, vol. Vol. 2018, No. 1, pp. 000572-000577. mla: Unger, Andreas, et al. “Intelligent Production of Wire Bonds Using Multi-Objective Optimization – Insights, Opportunities and Challenges.” In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018, vol. Vol. 2018, No. 1, pp. 000572-000577., 2018, doi:10.4071/2380-4505-2018.1.000572. short: 'A. Unger, M. Hunstig, T. Meyer, M. Brökelmann, W. Sextro, in: In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018, 2018.' date_created: 2019-05-27T10:27:45Z date_updated: 2020-05-07T05:33:56Z department: - _id: '151' doi: 10.4071/2380-4505-2018.1.000572 keyword: - wire bonding - multi-objective optimization - process model - copper wire - self-optimization language: - iso: eng project: - _id: '92' grant_number: 02 PQ2210 name: Intelligente Herstellung zuverlässiger Kupferbondverbindungen publication: In Proceedings of IMAPS 2018 – 51st Symposium on Microelectronics, Pasadena, CA, 2018 quality_controlled: '1' status: public title: Intelligent Production of Wire Bonds using Multi-Objective Optimization – Insights, Opportunities and Challenges type: conference user_id: '210' volume: Vol. 2018, No. 1, pp. 000572-000577. year: '2018' ... --- _id: '32158' abstract: - lang: eng text: 'Sociogenesis addresses a pervasive problem in psychology given by Cartesian dualism that assigns the mental an inner locus apart from material activity. Aligning ourselves to the ongoing critical discussions of interiorization in psychology, we explore the crucial notion of space by highlighting language as sociocultural and dialogical activity performed by other-oriented individuals. We discuss space in terms of the “language spacetime”, a symbolic, embodied formation of mutually positioned speaking and listening selves. This leads beyond the “inside-outside” container metaphor and allows for a reformulation of interiorization. Interiorization is conceptualized as a continuous series of different, though mutually related movements between self and other and self and self that lead to and are supported by specific formations in language activity: reversion, transposition, and decoupling. Along a short passage of a video-based interview, we trace the reversion of dialogical positions within the addressivity constellation of the two interlocutors, their interactive creation of a heterotopic spacetime, and the decoupling of one speaker''s psychological activity from the concrete here-and-now and the present other by moving and acting into this new sphere. Interiorization appears as a movement at the border of past, present, and possible future(s).' author: - first_name: Marie-Cécile full_name: Bertau, Marie-Cécile last_name: Bertau - first_name: Andrea full_name: Karsten, Andrea id: '53917' last_name: Karsten citation: ama: 'Bertau M-C, Karsten A. Reconsidering interiorization: Self moving across language spacetimes. New Ideas in Psychology. 2018;49:7-17. doi:10.1016/j.newideapsych.2017.12.001' apa: 'Bertau, M.-C., & Karsten, A. (2018). Reconsidering interiorization: Self moving across language spacetimes. New Ideas in Psychology, 49, 7–17. https://doi.org/10.1016/j.newideapsych.2017.12.001' bibtex: '@article{Bertau_Karsten_2018, title={Reconsidering interiorization: Self moving across language spacetimes}, volume={49}, DOI={10.1016/j.newideapsych.2017.12.001}, journal={New Ideas in Psychology}, publisher={Elsevier BV}, author={Bertau, Marie-Cécile and Karsten, Andrea}, year={2018}, pages={7–17} }' chicago: 'Bertau, Marie-Cécile, and Andrea Karsten. “Reconsidering Interiorization: Self Moving across Language Spacetimes.” New Ideas in Psychology 49 (2018): 7–17. https://doi.org/10.1016/j.newideapsych.2017.12.001.' ieee: 'M.-C. Bertau and A. Karsten, “Reconsidering interiorization: Self moving across language spacetimes,” New Ideas in Psychology, vol. 49, pp. 7–17, 2018, doi: 10.1016/j.newideapsych.2017.12.001.' mla: 'Bertau, Marie-Cécile, and Andrea Karsten. “Reconsidering Interiorization: Self Moving across Language Spacetimes.” New Ideas in Psychology, vol. 49, Elsevier BV, 2018, pp. 7–17, doi:10.1016/j.newideapsych.2017.12.001.' short: M.-C. Bertau, A. Karsten, New Ideas in Psychology 49 (2018) 7–17. date_created: 2022-06-24T14:41:20Z date_updated: 2022-07-18T09:21:16Z department: - _id: '424' doi: 10.1016/j.newideapsych.2017.12.001 intvolume: ' 49' keyword: - Interiorization - Dialogical self - Language activity - Voice - Vygotsky - Heterotopia - Video-confrontation language: - iso: eng page: 7-17 publication: New Ideas in Psychology publication_identifier: issn: - 0732-118X publication_status: published publisher: Elsevier BV status: public title: 'Reconsidering interiorization: Self moving across language spacetimes' type: journal_article user_id: '42165' volume: 49 year: '2018' ... --- _id: '9994' abstract: - lang: eng text: Reliability-adaptive systems allow an adaptation of system behavior based on current system reliability. They can extend their lifetime at the cost of lowered performance or vice versa. This can be used to adapt failure behavior according to a maintenance plan, thus increasing availability while using up system capability fully. To facilitate setup, a control algorithm independent of a degradation model is desired. A closed loop control technique for reliability based on a health index, a measure for system degradation, is introduced. It uses self-optimization as means to implement behavior adaptation. This is based on selecting the priorities of objectives that the system pursues. Possible working points are computed beforehand using model-based multiobjective optimization techniques. The controller selects the priorities of objectives and this way balances reliability and performance. As exemplary application, an automatically actuated single plate dry clutch is introduced. The entire reliability control is setup and lifetime experiments are conducted. Results show that the variance of time to failure is reduced greatly, making the failure behavior more predictable. At the same time, the desired usable lifetime can be extended at the cost of system performance to allow for changed maintenance intervals. Together, these possibilities allow for greater system usage and better planning of maintenance. author: - first_name: Tobias full_name: Meyer, Tobias last_name: Meyer citation: ama: Meyer T. Optimization-Based Reliability Control of Mechatronic Systems. Shaker; 2018. apa: Meyer, T. (2018). Optimization-based reliability control of mechatronic systems. Shaker. bibtex: '@book{Meyer_2018, title={Optimization-based reliability control of mechatronic systems}, publisher={Shaker}, author={Meyer, Tobias}, year={2018} }' chicago: Meyer, Tobias. Optimization-Based Reliability Control of Mechatronic Systems. Shaker, 2018. ieee: T. Meyer, Optimization-based reliability control of mechatronic systems. Shaker, 2018. mla: Meyer, Tobias. Optimization-Based Reliability Control of Mechatronic Systems. Shaker, 2018. short: T. Meyer, Optimization-Based Reliability Control of Mechatronic Systems, Shaker, 2018. date_created: 2019-05-27T10:21:17Z date_updated: 2023-09-15T12:26:09Z department: - _id: '151' keyword: - dependability - reliability - behavior adaptation - self-optimization - multiobjective optimization - optimal control - automotive drivetrain - clutch system - reliability-adaptive system language: - iso: eng publisher: Shaker status: public title: Optimization-based reliability control of mechatronic systems type: dissertation user_id: '210' year: '2018' ... --- _id: '4419' abstract: - lang: eng text: Research on entrepreneurial learning highlights the importance of experience and prior knowledge to entrepreneurial success. However, a conundrum remains and we are still seeking answers as to why some novice entrepreneurs learn successfully from their experiences and succeed, while some experienced entrepreneurs fail with their ventures. In order to advance the discussion about the role of experience during entrepreneurial learning, our critical reflection aims to (1) highlight some of the shortcomings of experiential learning theory (ELT) and (2) illustrate how alternative theoretical perspectives have the potential to advance our conceptual understanding of entrepreneurial learning processes. We argue for an explanation of entrepreneurial learning as a dynamic and self-regulated process that relies on planning, monitoring, and self-reflection. author: - first_name: Alexander Paul full_name: Fust, Alexander Paul last_name: Fust - first_name: Tobias full_name: Jenert, Tobias id: '71994' last_name: Jenert orcid: ' https://orcid.org/0000-0001-9262-5646' - first_name: Christoph full_name: Winkler, Christoph last_name: Winkler citation: ama: 'Fust AP, Jenert T, Winkler C. Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes. Entrepreneurship Research Journal. 2018;8(2):1-11.' apa: 'Fust, A. P., Jenert, T., & Winkler, C. (2018). Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes. Entrepreneurship Research Journal, 8(2), 1–11.' bibtex: '@article{Fust_Jenert_Winkler_2018, title={Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes}, volume={8}, number={2}, journal={Entrepreneurship Research Journal}, publisher={de @Gruyter}, author={Fust, Alexander Paul and Jenert, Tobias and Winkler, Christoph}, year={2018}, pages={1–11} }' chicago: 'Fust, Alexander Paul, Tobias Jenert, and Christoph Winkler. “Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes.” Entrepreneurship Research Journal 8, no. 2 (2018): 1–11.' ieee: 'A. P. Fust, T. Jenert, and C. Winkler, “Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes,” Entrepreneurship Research Journal, vol. 8, no. 2, pp. 1–11, 2018.' mla: 'Fust, Alexander Paul, et al. “Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes.” Entrepreneurship Research Journal, vol. 8, no. 2, de @Gruyter, 2018, pp. 1–11.' short: A.P. Fust, T. Jenert, C. Winkler, Entrepreneurship Research Journal 8 (2018) 1–11. date_created: 2018-09-18T08:47:00Z date_updated: 2024-03-21T14:43:08Z department: - _id: '208' - _id: '282' intvolume: ' 8' issue: '2' keyword: - entrepreneurial learning - experiential learning - self-regulated learning language: - iso: eng page: 1-11 publication: Entrepreneurship Research Journal publication_identifier: unknown: - 2194-6175 publisher: de @Gruyter quality_controlled: '1' status: public title: 'Experiential or Self-Regulated Learning: A Critical Reflection of Entrepreneurial Learning Processes' type: journal_article user_id: '71994' volume: 8 year: '2018' ... --- _id: '9978' abstract: - lang: eng text: Piezoelectric transducers are used in a wide range of applications. Reliability of these transducers is an important aspect in their application. Prognostics, which involve continuous monitoring of the health of technical systems and using this information to estimate the current health state and consequently predict the remaining useful lifetime (RUL), can be used to increase the reliability, safety, and availability of the transducers. This is achieved by utilizing the health state and RUL predictions to adaptively control the usage of the components or to schedule appropriate maintenance without interrupting operation. In this work, a prognostic approach utilizing self-sensing, where electric signals of a piezoelectric transducer are used as the condition monitoring data, is proposed. The approach involves training machine learning algorithms to model the degradation of the transducers through a health index and the use of the learned model to estimate the health index of similar transducers. The current health index is then used to estimate RUL of test components. The feasibility of the approach is demonstrated using piezoelectric bimorphs and the results show that the method is accurate in predicting the health index and RUL. author: - first_name: James Kuria full_name: Kimotho, James Kuria last_name: Kimotho - first_name: Walter full_name: Sextro, Walter id: '21220' last_name: Sextro - first_name: Tobias full_name: Hemsel, Tobias id: '210' last_name: Hemsel citation: ama: 'Kimotho JK, Sextro W, Hemsel T. Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing. In: IEEE Transactions on Reliability. ; 2017:1-10. doi:10.1109/TR.2017.2710260' apa: Kimotho, J. K., Sextro, W., & Hemsel, T. (2017). Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing. In IEEE Transactions on Reliability (pp. 1–10). https://doi.org/10.1109/TR.2017.2710260 bibtex: '@inproceedings{Kimotho_Sextro_Hemsel_2017, title={Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing}, DOI={10.1109/TR.2017.2710260}, booktitle={IEEE Transactions on Reliability}, author={Kimotho, James Kuria and Sextro, Walter and Hemsel, Tobias}, year={2017}, pages={1–10} }' chicago: Kimotho, James Kuria, Walter Sextro, and Tobias Hemsel. “Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing.” In IEEE Transactions on Reliability, 1–10, 2017. https://doi.org/10.1109/TR.2017.2710260. ieee: J. K. Kimotho, W. Sextro, and T. Hemsel, “Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing,” in IEEE Transactions on Reliability, 2017, pp. 1–10. mla: Kimotho, James Kuria, et al. “Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing.” IEEE Transactions on Reliability, 2017, pp. 1–10, doi:10.1109/TR.2017.2710260. short: 'J.K. Kimotho, W. Sextro, T. Hemsel, in: IEEE Transactions on Reliability, 2017, pp. 1–10.' date_created: 2019-05-27T09:41:06Z date_updated: 2019-09-16T10:32:05Z department: - _id: '151' doi: 10.1109/TR.2017.2710260 keyword: - Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing language: - iso: eng page: 1 - 10 publication: IEEE Transactions on Reliability quality_controlled: '1' status: public title: Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing type: conference user_id: '55222' year: '2017' ... --- _id: '10676' author: - first_name: Nam full_name: Ho, Nam last_name: Ho - first_name: Paul full_name: Kaufmann, Paul last_name: Kaufmann - first_name: Marco full_name: Platzner, Marco id: '398' last_name: Platzner citation: ama: 'Ho N, Kaufmann P, Platzner M. Evolvable caches: Optimization of reconfigurable cache mappings for a LEON3/Linux-based multi-core processor. In: 2017 International Conference on Field Programmable Technology (ICFPT). ; 2017:215-218. doi:10.1109/FPT.2017.8280144' apa: 'Ho, N., Kaufmann, P., & Platzner, M. (2017). Evolvable caches: Optimization of reconfigurable cache mappings for a LEON3/Linux-based multi-core processor. In 2017 International Conference on Field Programmable Technology (ICFPT) (pp. 215–218). https://doi.org/10.1109/FPT.2017.8280144' bibtex: '@inproceedings{Ho_Kaufmann_Platzner_2017, title={Evolvable caches: Optimization of reconfigurable cache mappings for a LEON3/Linux-based multi-core processor}, DOI={10.1109/FPT.2017.8280144}, booktitle={2017 International Conference on Field Programmable Technology (ICFPT)}, author={Ho, Nam and Kaufmann, Paul and Platzner, Marco}, year={2017}, pages={215–218} }' chicago: 'Ho, Nam, Paul Kaufmann, and Marco Platzner. “Evolvable Caches: Optimization of Reconfigurable Cache Mappings for a LEON3/Linux-Based Multi-Core Processor.” In 2017 International Conference on Field Programmable Technology (ICFPT), 215–18, 2017. https://doi.org/10.1109/FPT.2017.8280144.' ieee: 'N. Ho, P. Kaufmann, and M. Platzner, “Evolvable caches: Optimization of reconfigurable cache mappings for a LEON3/Linux-based multi-core processor,” in 2017 International Conference on Field Programmable Technology (ICFPT), 2017, pp. 215–218.' mla: 'Ho, Nam, et al. “Evolvable Caches: Optimization of Reconfigurable Cache Mappings for a LEON3/Linux-Based Multi-Core Processor.” 2017 International Conference on Field Programmable Technology (ICFPT), 2017, pp. 215–18, doi:10.1109/FPT.2017.8280144.' short: 'N. Ho, P. Kaufmann, M. Platzner, in: 2017 International Conference on Field Programmable Technology (ICFPT), 2017, pp. 215–218.' date_created: 2019-07-10T11:22:59Z date_updated: 2022-01-06T06:50:49Z department: - _id: '78' doi: 10.1109/FPT.2017.8280144 keyword: - Linux - cache storage - microprocessor chips - multiprocessing systems - LEON3-Linux based multicore processor - MiBench suite - block sizes - cache adaptation - evolvable caches - memory-to-cache-index mapping function - processor caches - reconfigurable cache mapping optimization - reconfigurable hardware technology - replacement strategies - standard Linux OS - time a complete hardware implementation - Hardware - Indexes - Linux - Measurement - Multicore processing - Optimization - Training language: - iso: eng page: 215-218 publication: 2017 International Conference on Field Programmable Technology (ICFPT) status: public title: 'Evolvable caches: Optimization of reconfigurable cache mappings for a LEON3/Linux-based multi-core processor' type: conference user_id: '398' year: '2017' ... --- _id: '10780' author: - first_name: Zakarya full_name: Guettatfi, Zakarya last_name: Guettatfi - first_name: Philipp full_name: Hübner, Philipp last_name: Hübner - first_name: Marco full_name: Platzner, Marco id: '398' last_name: Platzner - first_name: Bernhard full_name: Rinner, Bernhard last_name: Rinner citation: ama: 'Guettatfi Z, Hübner P, Platzner M, Rinner B. Computational self-awareness as design approach for visual sensor nodes. In: 12th International Symposium on Reconfigurable Communication-Centric Systems-on-Chip (ReCoSoC). ; 2017:1-8. doi:10.1109/ReCoSoC.2017.8016147' apa: Guettatfi, Z., Hübner, P., Platzner, M., & Rinner, B. (2017). Computational self-awareness as design approach for visual sensor nodes. In 12th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC) (pp. 1–8). https://doi.org/10.1109/ReCoSoC.2017.8016147 bibtex: '@inproceedings{Guettatfi_Hübner_Platzner_Rinner_2017, title={Computational self-awareness as design approach for visual sensor nodes}, DOI={10.1109/ReCoSoC.2017.8016147}, booktitle={12th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC)}, author={Guettatfi, Zakarya and Hübner, Philipp and Platzner, Marco and Rinner, Bernhard}, year={2017}, pages={1–8} }' chicago: Guettatfi, Zakarya, Philipp Hübner, Marco Platzner, and Bernhard Rinner. “Computational Self-Awareness as Design Approach for Visual Sensor Nodes.” In 12th International Symposium on Reconfigurable Communication-Centric Systems-on-Chip (ReCoSoC), 1–8, 2017. https://doi.org/10.1109/ReCoSoC.2017.8016147. ieee: Z. Guettatfi, P. Hübner, M. Platzner, and B. Rinner, “Computational self-awareness as design approach for visual sensor nodes,” in 12th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC), 2017, pp. 1–8. mla: Guettatfi, Zakarya, et al. “Computational Self-Awareness as Design Approach for Visual Sensor Nodes.” 12th International Symposium on Reconfigurable Communication-Centric Systems-on-Chip (ReCoSoC), 2017, pp. 1–8, doi:10.1109/ReCoSoC.2017.8016147. short: 'Z. Guettatfi, P. Hübner, M. Platzner, B. Rinner, in: 12th International Symposium on Reconfigurable Communication-Centric Systems-on-Chip (ReCoSoC), 2017, pp. 1–8.' date_created: 2019-07-10T12:13:15Z date_updated: 2022-01-06T06:50:50Z department: - _id: '78' doi: 10.1109/ReCoSoC.2017.8016147 keyword: - embedded systems - image sensors - power aware computing - wireless sensor networks - Zynq-based VSN node prototype - computational self-awareness - design approach - platform levels - power consumption - visual sensor networks - visual sensor nodes - Cameras - Hardware - Middleware - Multicore processing - Operating systems - Runtime - Reconfigurable platforms - distributed embedded systems - performance-resource trade-off - self-awareness - visual sensor nodes language: - iso: eng page: 1-8 publication: 12th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC) status: public title: Computational self-awareness as design approach for visual sensor nodes type: conference user_id: '3118' year: '2017' ... --- _id: '5829' abstract: - lang: eng text: Websites increasingly embed semantic data for search engine optimization. The most common ontology for semantic data, schema.org, is supported by all major search engines and describes over 500 data types, including calendar events, recipes, products, and TV shows. As of today, users wishing to pass this data to their favorite applications, e.g., their calendars, cookbooks, price comparison applications or even smart devices such as TV receivers, rely on cumbersome and error-prone workarounds such as reentering the data or a series of copy and paste operations. In this paper, we present Semantic Data Mediator (SDM), an approach that allows the easy transfer of semantic data to a multitude of services, ranging from web services to applications installed on different devices. SDM extracts semantic data from the currently displayed web page on the client-side, offers suitable services to the user, and by the press of a button, forwards this data to the desired service while doing all the necessary data conversion and service interface adaptation in between. To realize this, we built a reusable repository of service descriptions, data converters, and service adapters, which can be extended by the crowd. Our approach for linking services to websites relies solely on semantic data and does not require any additional support by either website or service developers. We have fully implemented our approach and present a real-world case study demonstrating its feasibility and usefulness. author: - first_name: Dennis full_name: Wolters, Dennis id: '11308' last_name: Wolters - first_name: Stefan full_name: Heindorf, Stefan id: '11871' last_name: Heindorf orcid: 0000-0002-4525-6865 - first_name: Jonas full_name: Kirchhoff, Jonas id: '39928' last_name: Kirchhoff - first_name: Gregor full_name: Engels, Gregor id: '107' last_name: Engels citation: ama: 'Wolters D, Heindorf S, Kirchhoff J, Engels G. Linking Services to Websites by Leveraging Semantic Data. In: Altintas I, Chen S, eds. 2017 IEEE International Conference on Web Services (ICWS). IEEE; 2017. doi:10.1109/icws.2017.80' apa: Wolters, D., Heindorf, S., Kirchhoff, J., & Engels, G. (2017). Linking Services to Websites by Leveraging Semantic Data. In I. Altintas & S. Chen (Eds.), 2017 IEEE International Conference on Web Services (ICWS). IEEE. https://doi.org/10.1109/icws.2017.80 bibtex: '@inproceedings{Wolters_Heindorf_Kirchhoff_Engels_2017, title={Linking Services to Websites by Leveraging Semantic Data}, DOI={10.1109/icws.2017.80}, booktitle={2017 IEEE International Conference on Web Services (ICWS)}, publisher={IEEE}, author={Wolters, Dennis and Heindorf, Stefan and Kirchhoff, Jonas and Engels, Gregor}, editor={Altintas, Ilkay and Chen, Shiping}, year={2017} }' chicago: Wolters, Dennis, Stefan Heindorf, Jonas Kirchhoff, and Gregor Engels. “Linking Services to Websites by Leveraging Semantic Data.” In 2017 IEEE International Conference on Web Services (ICWS), edited by Ilkay Altintas and Shiping Chen. IEEE, 2017. https://doi.org/10.1109/icws.2017.80. ieee: 'D. Wolters, S. Heindorf, J. Kirchhoff, and G. Engels, “Linking Services to Websites by Leveraging Semantic Data,” in 2017 IEEE International Conference on Web Services (ICWS), 2017, doi: 10.1109/icws.2017.80.' mla: Wolters, Dennis, et al. “Linking Services to Websites by Leveraging Semantic Data.” 2017 IEEE International Conference on Web Services (ICWS), edited by Ilkay Altintas and Shiping Chen, IEEE, 2017, doi:10.1109/icws.2017.80. short: 'D. Wolters, S. Heindorf, J. Kirchhoff, G. Engels, in: I. Altintas, S. Chen (Eds.), 2017 IEEE International Conference on Web Services (ICWS), IEEE, 2017.' date_created: 2018-11-26T11:49:31Z date_updated: 2022-10-15T20:01:55Z department: - _id: '66' doi: 10.1109/icws.2017.80 editor: - first_name: Ilkay full_name: Altintas, Ilkay last_name: Altintas - first_name: Shiping full_name: Chen, Shiping last_name: Chen keyword: - Services - Websites - Semantic Data - schema.org - Data Conversion - Interface Adaptation - Mediation language: - iso: eng main_file_link: - open_access: '1' url: https://cs.uni-paderborn.de/fileadmin/informatik/fg/dbis/Publikationen/2017/wolters2017_ICWS.pdf oa: '1' publication: 2017 IEEE International Conference on Web Services (ICWS) publication_identifier: isbn: - '9781538607527' publication_status: published publisher: IEEE status: public title: Linking Services to Websites by Leveraging Semantic Data type: conference user_id: '11871' year: '2017' ... --- _id: '29462' abstract: - lang: eng text: Time-variant age information of different parts of a system can be used for system-level performance improvement through high-level task scheduling, thus extending the life-time of the system. Progressive age information should provide the age state that the system is in, and the rate that it is being aged at. In this paper, we propose a structure that monitors certain paths of a circuit and detects its gradual age growth, and provides the aging rate and aging state of the circuit. The proposed monitors are placed on a selected set of nodes that represent a timing bottleneck of the system. These monitors sample expected data on these nodes, and compare them with the expected values. The timing of sampling changes as the circuit ages and its delay increases. The timing of sampling will provide a measure of aging advancement of a circuit. To assess the efficacy of the proposed method and compare it with other state-of-the-art aging monitors, we use them on selected nodes of the execution unit of different processors, as well as some circuits from ITC99 benchmarks. The results reveal that the precision of our proposed method is between 0.12 (ns) to 0.401 (ns). Its Area and power overhead are negligible and are about 2.13 and 0.69 percent respectively. author: - first_name: Somayeh full_name: Sadeghi-Kohan, Somayeh id: '78614' last_name: Sadeghi-Kohan orcid: https://orcid.org/0000-0001-7246-0610 - first_name: Mehdi full_name: Kamal, Mehdi last_name: Kamal - first_name: Zainalabedin full_name: Navabi, Zainalabedin last_name: Navabi citation: ama: Sadeghi-Kohan S, Kamal M, Navabi Z. Self-Adjusting Monitor for Measuring Aging Rate and Advancement. IEEE Transactions on Emerging Topics in Computing. 2017;8(3):627-641. doi:10.1109/tetc.2017.2771441 apa: Sadeghi-Kohan, S., Kamal, M., & Navabi, Z. (2017). Self-Adjusting Monitor for Measuring Aging Rate and Advancement. IEEE Transactions on Emerging Topics in Computing, 8(3), 627–641. https://doi.org/10.1109/tetc.2017.2771441 bibtex: '@article{Sadeghi-Kohan_Kamal_Navabi_2017, title={Self-Adjusting Monitor for Measuring Aging Rate and Advancement}, volume={8}, DOI={10.1109/tetc.2017.2771441}, number={3}, journal={IEEE Transactions on Emerging Topics in Computing}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Sadeghi-Kohan, Somayeh and Kamal, Mehdi and Navabi, Zainalabedin}, year={2017}, pages={627–641} }' chicago: 'Sadeghi-Kohan, Somayeh, Mehdi Kamal, and Zainalabedin Navabi. “Self-Adjusting Monitor for Measuring Aging Rate and Advancement.” IEEE Transactions on Emerging Topics in Computing 8, no. 3 (2017): 627–41. https://doi.org/10.1109/tetc.2017.2771441.' ieee: 'S. Sadeghi-Kohan, M. Kamal, and Z. Navabi, “Self-Adjusting Monitor for Measuring Aging Rate and Advancement,” IEEE Transactions on Emerging Topics in Computing, vol. 8, no. 3, pp. 627–641, 2017, doi: 10.1109/tetc.2017.2771441.' mla: Sadeghi-Kohan, Somayeh, et al. “Self-Adjusting Monitor for Measuring Aging Rate and Advancement.” IEEE Transactions on Emerging Topics in Computing, vol. 8, no. 3, Institute of Electrical and Electronics Engineers (IEEE), 2017, pp. 627–41, doi:10.1109/tetc.2017.2771441. short: S. Sadeghi-Kohan, M. Kamal, Z. Navabi, IEEE Transactions on Emerging Topics in Computing 8 (2017) 627–641. date_created: 2022-01-19T13:45:51Z date_updated: 2023-08-02T11:36:30Z department: - _id: '48' doi: 10.1109/tetc.2017.2771441 extern: '1' intvolume: ' 8' issue: '3' keyword: - Age advancement - age monitoring clock - aging rate - self-adjusting monitors language: - iso: eng page: 627-641 publication: IEEE Transactions on Emerging Topics in Computing publication_identifier: issn: - 2168-6750 - 2376-4562 publication_status: published publisher: Institute of Electrical and Electronics Engineers (IEEE) status: public title: Self-Adjusting Monitor for Measuring Aging Rate and Advancement type: journal_article user_id: '78614' volume: 8 year: '2017' ... --- _id: '9966' abstract: - lang: eng text: Usage of copper wire bonds allows to push power boundaries imposed by aluminum wire bonds. Copper allows higher electrical, thermal and mechanical loads than aluminum, which currently is the most commonly used material in heavy wire bonding. This is the main driving factor for increased usage of copper in high power applications such as wind turbines, locomotives or electric vehicles. At the same time, usage of copper also increases tool wear and reduces the range of parameter values for a stable process, making the process more challenging. To overcome these drawbacks, parameter adaptation at runtime using self-optimization is desired. A self-optimizing system is based on system objectives that evaluate and quantify system performance. System parameters can be changed at runtime such that pre-selected objective values are reached. For adaptation of bond process parameters, model-based self-optimization is employed. Since it is based on a model of the system, the bond process was modeled. In addition to static model parameters such as wire and substrate material properties and vibration characteristics of transducer and tool, variable model inputs are process parameters. Main simulation result is bonded area in the wiresubstrate contact. This model is then used to find valid and optimal working points before operation. The working point is composed of normal force and ultrasonic voltage trajectories, which are usually determined experimentally. Instead, multiobjective optimalization is used to compute trajectories that simultaneously optimize bond quality, process duration, tool wear and probability of tool-substrate contacts. The values of these objectives are computed using the process model. At runtime, selection among pre-determined optimal working points is sufficient to prioritize individual objectives. This way, the computationally expensive process of numerically solving a multiobjective optimal control problem and the demanding high speed bonding process are separated. To evaluate to what extent the pre-defined goals of self-optimization are met, an offthe- shelf heavy wire bonding machine was modified to allow for parameter adaptation and for transmitting of measurement data at runtime. This data is received by an external computer system and evaluated to select a new working point. Then, new process parameters are sent to the modified bonding machine for use for subsequent bonds. With these components, a full self-optimizing system has been implemented. author: - first_name: Tobias full_name: Meyer , Tobias last_name: 'Meyer ' - first_name: Andreas full_name: Unger, Andreas last_name: Unger - first_name: Simon full_name: Althoff, Simon last_name: Althoff - first_name: Walter full_name: Sextro, Walter id: '21220' last_name: Sextro - first_name: Michael full_name: Brökelmann, Michael last_name: Brökelmann - first_name: Matthias full_name: Hunstig, Matthias last_name: Hunstig - first_name: Karsten full_name: Guth, Karsten last_name: Guth citation: ama: 'Meyer T, Unger A, Althoff S, et al. Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation. In: IEEE 66th Electronic Components and Technology Conference. ; 2016:622-628. doi:10.1109/ECTC.2016.215' apa: Meyer , T., Unger, A., Althoff, S., Sextro, W., Brökelmann, M., Hunstig, M., & Guth, K. (2016). Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation. In IEEE 66th Electronic Components and Technology Conference (pp. 622–628). https://doi.org/10.1109/ECTC.2016.215 bibtex: '@inproceedings{Meyer _Unger_Althoff_Sextro_Brökelmann_Hunstig_Guth_2016, title={Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation}, DOI={10.1109/ECTC.2016.215}, booktitle={IEEE 66th Electronic Components and Technology Conference}, author={Meyer , Tobias and Unger, Andreas and Althoff, Simon and Sextro, Walter and Brökelmann, Michael and Hunstig, Matthias and Guth, Karsten}, year={2016}, pages={622–628} }' chicago: Meyer , Tobias, Andreas Unger, Simon Althoff, Walter Sextro, Michael Brökelmann, Matthias Hunstig, and Karsten Guth. “Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation.” In IEEE 66th Electronic Components and Technology Conference, 622–28, 2016. https://doi.org/10.1109/ECTC.2016.215. ieee: T. Meyer et al., “Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation,” in IEEE 66th Electronic Components and Technology Conference, 2016, pp. 622–628. mla: Meyer , Tobias, et al. “Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation.” IEEE 66th Electronic Components and Technology Conference, 2016, pp. 622–28, doi:10.1109/ECTC.2016.215. short: 'T. Meyer , A. Unger, S. Althoff, W. Sextro, M. Brökelmann, M. Hunstig, K. Guth, in: IEEE 66th Electronic Components and Technology Conference, 2016, pp. 622–628.' date_created: 2019-05-27T09:17:26Z date_updated: 2020-05-07T05:33:53Z department: - _id: '151' doi: 10.1109/ECTC.2016.215 keyword: - Self-optimization - adaptive system - bond process - copper wire language: - iso: eng page: 622-628 project: - _id: '92' grant_number: 02 PQ2210 name: Intelligente Herstellung zuverlässiger Kupferbondverbindungen publication: IEEE 66th Electronic Components and Technology Conference quality_controlled: '1' status: public title: Reliable Manufacturing of Heavy Copper Wire Bonds Using Online Parameter Adaptation type: conference user_id: '210' year: '2016' ... --- _id: '1772' author: - first_name: Jim full_name: Torresen, Jim last_name: Torresen - first_name: Christian full_name: Plessl, Christian id: '16153' last_name: Plessl orcid: 0000-0001-5728-9982 - first_name: Xin full_name: Yao, Xin last_name: Yao citation: ama: Torresen J, Plessl C, Yao X. Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction. IEEE Computer. 2015;48(7):18-20. doi:10.1109/MC.2015.205 apa: Torresen, J., Plessl, C., & Yao, X. (2015). Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction. IEEE Computer, 48(7), 18–20. https://doi.org/10.1109/MC.2015.205 bibtex: '@article{Torresen_Plessl_Yao_2015, title={Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction}, volume={48}, DOI={10.1109/MC.2015.205}, number={7}, journal={IEEE Computer}, publisher={IEEE Computer Society}, author={Torresen, Jim and Plessl, Christian and Yao, Xin}, year={2015}, pages={18–20} }' chicago: 'Torresen, Jim, Christian Plessl, and Xin Yao. “Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction.” IEEE Computer 48, no. 7 (2015): 18–20. https://doi.org/10.1109/MC.2015.205.' ieee: J. Torresen, C. Plessl, and X. Yao, “Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction,” IEEE Computer, vol. 48, no. 7, pp. 18–20, 2015. mla: Torresen, Jim, et al. “Self-Aware and Self-Expressive Systems – Guest Editor’s Introduction.” IEEE Computer, vol. 48, no. 7, IEEE Computer Society, 2015, pp. 18–20, doi:10.1109/MC.2015.205. short: J. Torresen, C. Plessl, X. Yao, IEEE Computer 48 (2015) 18–20. date_created: 2018-03-23T14:06:12Z date_updated: 2022-01-06T06:53:19Z ddc: - '000' department: - _id: '27' - _id: '518' - _id: '78' doi: 10.1109/MC.2015.205 file: - access_level: closed content_type: application/pdf creator: ups date_created: 2018-11-02T15:47:45Z date_updated: 2018-11-02T15:47:45Z file_id: '5313' file_name: 07163237.pdf file_size: 5605009 relation: main_file success: 1 file_date_updated: 2018-11-02T15:47:45Z has_accepted_license: '1' intvolume: ' 48' issue: '7' keyword: - self-awareness - self-expression language: - iso: eng page: 18-20 project: - _id: '1' name: SFB 901 - _id: '4' name: SFB 901 - Project Area C - _id: '14' name: SFB 901 - Subproject C2 - _id: '34' grant_number: '610996' name: Self-Adaptive Virtualisation-Aware High-Performance/Low-Energy Heterogeneous System Architectures publication: IEEE Computer publisher: IEEE Computer Society status: public title: Self-Aware and Self-Expressive Systems – Guest Editor's Introduction type: journal_article user_id: '16153' volume: 48 year: '2015' ... --- _id: '5704' abstract: - lang: eng text: 'Advancements in information technology have changed the way customers experience a service encounter and their relationship with service providers. Especially technology-based self-service channels have found their way into the 21st century service economy. While research embraces these channels for their cost-efficiency, it has not examined whether a shift from personal to self-service affects customer–firm relationships. Drawing from the service-dominant logic and its central concept of value-in-context, we discuss customers’ value creation in self-service and personal service channels and examine the long-term impact of these channels on customer retention. Using longitudinal customer data, we investigate how the ratio of self-service versus personal service use influences customer defection over time. Our findings suggest that the ratio of self-service to personal service used affects customer defection in a U-shaped manner, with intermediate levels of both self-service and personal service use being associated with the lowest likelihood of defection. We also find that this effect mitigates over time. We conclude that firms should not shift customers toward self-service channels completely, especially not at the beginning of a relationship. Our study underlines the importance of understanding when and how self-service technologies create valuable customer experiences and stresses the notion of actively managing customers’ cocreation of value. ' article_type: original author: - first_name: Anne full_name: Scherer, Anne last_name: Scherer - first_name: Nancy full_name: Wünderlich, Nancy id: '36392' last_name: Wünderlich - first_name: Florian full_name: Von Wangenheim, Florian last_name: Von Wangenheim citation: ama: 'Scherer A, Wünderlich N, Von Wangenheim F. The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention. MIS Quarterly. 2015;39(1):177-200.' apa: 'Scherer, A., Wünderlich, N., & Von Wangenheim, F. (2015). The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention. MIS Quarterly, 39(1), 177–200.' bibtex: '@article{Scherer_Wünderlich_Von Wangenheim_2015, title={The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention.}, volume={39}, number={1}, journal={MIS Quarterly}, publisher={MIS RC}, author={Scherer, Anne and Wünderlich, Nancy and Von Wangenheim, Florian}, year={2015}, pages={177–200} }' chicago: 'Scherer, Anne, Nancy Wünderlich, and Florian Von Wangenheim. “The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention.” MIS Quarterly 39, no. 1 (2015): 177–200.' ieee: 'A. Scherer, N. Wünderlich, and F. Von Wangenheim, “The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention.,” MIS Quarterly, vol. 39, no. 1, pp. 177–200, 2015.' mla: 'Scherer, Anne, et al. “The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention.” MIS Quarterly, vol. 39, no. 1, MIS RC, 2015, pp. 177–200.' short: A. Scherer, N. Wünderlich, F. Von Wangenheim, MIS Quarterly 39 (2015) 177–200. date_created: 2018-11-15T11:36:38Z date_updated: 2022-01-06T07:02:36Z department: - _id: '181' intvolume: ' 39' issue: '1' keyword: - customer defection - customer retention - e-service - longitudinal - Self-service - value-in-context language: - iso: eng page: 177-200 publication: MIS Quarterly publication_identifier: issn: - 0276-7783. publication_status: published publisher: MIS RC status: public title: 'The Value of Self-Service: Long-Term Effects of Technology-Based Self-Service Usage on Customer Retention.' type: journal_article user_id: '37741' volume: 39 year: '2015' ...