[{"place":"Valencia, Spain","citation":{"bibtex":"@inproceedings{Schneider_Peuster_Behnke_Marcel_Bök_Karl_2019, place={Valencia, Spain}, title={Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario}, DOI={<a href=\"https://doi.org/10.1109/eucnc.2019.8802016\">10.1109/eucnc.2019.8802016</a>}, booktitle={European Conference on Networks and Communications (EuCNC)}, publisher={IEEE}, author={Schneider, Stefan Balthasar and Peuster, Manuel and Behnke, Daniel and Marcel, Müller and Bök, Patrick-Benjamin and Karl, Holger}, year={2019} }","mla":"Schneider, Stefan Balthasar, et al. “Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario.” <i>European Conference on Networks and Communications (EuCNC)</i>, IEEE, 2019, doi:<a href=\"https://doi.org/10.1109/eucnc.2019.8802016\">10.1109/eucnc.2019.8802016</a>.","short":"S.B. Schneider, M. Peuster, D. Behnke, M. Marcel, P.-B. Bök, H. Karl, in: European Conference on Networks and Communications (EuCNC), IEEE, Valencia, Spain, 2019.","apa":"Schneider, S. B., Peuster, M., Behnke, D., Marcel, M., Bök, P.-B., &#38; Karl, H. (2019). Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario. In <i>European Conference on Networks and Communications (EuCNC)</i>. Valencia, Spain: IEEE. <a href=\"https://doi.org/10.1109/eucnc.2019.8802016\">https://doi.org/10.1109/eucnc.2019.8802016</a>","chicago":"Schneider, Stefan Balthasar, Manuel Peuster, Daniel Behnke, Müller Marcel, Patrick-Benjamin Bök, and Holger Karl. “Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario.” In <i>European Conference on Networks and Communications (EuCNC)</i>. Valencia, Spain: IEEE, 2019. <a href=\"https://doi.org/10.1109/eucnc.2019.8802016\">https://doi.org/10.1109/eucnc.2019.8802016</a>.","ieee":"S. B. Schneider, M. Peuster, D. Behnke, M. Marcel, P.-B. Bök, and H. Karl, “Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario,” in <i>European Conference on Networks and Communications (EuCNC)</i>, 2019.","ama":"Schneider SB, Peuster M, Behnke D, Marcel M, Bök P-B, Karl H. Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario. In: <i>European Conference on Networks and Communications (EuCNC)</i>. Valencia, Spain: IEEE; 2019. doi:<a href=\"https://doi.org/10.1109/eucnc.2019.8802016\">10.1109/eucnc.2019.8802016</a>"},"has_accepted_license":"1","doi":"10.1109/eucnc.2019.8802016","main_file_link":[{"url":"https://ieeexplore.ieee.org/document/8802016"}],"oa":"1","date_updated":"2022-01-06T07:04:12Z","author":[{"full_name":"Schneider, Stefan Balthasar","id":"35343","last_name":"Schneider","orcid":"0000-0001-8210-4011","first_name":"Stefan Balthasar"},{"first_name":"Manuel","id":"13271","full_name":"Peuster, Manuel","last_name":"Peuster"},{"last_name":"Behnke","full_name":"Behnke, Daniel","first_name":"Daniel"},{"full_name":"Marcel, Müller","last_name":"Marcel","first_name":"Müller"},{"full_name":"Bök, Patrick-Benjamin","last_name":"Bök","first_name":"Patrick-Benjamin"},{"last_name":"Karl","id":"126","full_name":"Karl, Holger","first_name":"Holger"}],"status":"public","type":"conference","file_date_updated":"2019-12-12T09:15:57Z","_id":"9270","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area C","_id":"4"},{"_id":"16","name":"SFB 901 - Subproject C4"},{"grant_number":"761493","_id":"28","name":"5G Development and validation platform for global industry-specific network services and Apps"}],"department":[{"_id":"75"}],"user_id":"35343","year":"2019","title":"Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario","publisher":"IEEE","date_created":"2019-04-23T09:27:06Z","abstract":[{"lang":"eng","text":"As 5G and network function virtualization (NFV) are maturing, it becomes crucial to demonstrate their feasibility and benefits by means of vertical scenarios. While 5GPPP has identified smart manufacturing as one of the most important vertical industries, there is still a lack of specific, practical use cases. \r\n\r\nUsing the experience from a large-scale manufacturing company, Weidm{\\\"u}ller Group, we present a detailed use case that reflects the needs of real-world manufacturers. We also propose an architecture with specific network services and virtual network functions (VNFs) that realize the use case in practice. As a proof of concept, we implement the required services and deploy them on an emulation-based prototyping platform. Our experimental results indicate that a fully virtualized smart manufacturing use case is not only feasible but also reduces machine interconnection and configuration time and thus improves productivity by orders of magnitude."}],"file":[{"relation":"main_file","content_type":"application/pdf","file_id":"9272","access_level":"open_access","file_name":"preprint_ris_with_header.pdf","file_size":374397,"creator":"stschn","date_created":"2019-04-23T09:29:49Z","date_updated":"2019-12-12T09:15:57Z"}],"publication":"European Conference on Networks and Communications (EuCNC)","keyword":["5g","vertical","smart manufacturing","nfv"],"ddc":["000"],"language":[{"iso":"eng"}]},{"file":[{"relation":"main_file","content_type":"application/pdf","access_level":"open_access","file_name":"BMSD.pdf","file_id":"14988","file_size":546764,"creator":"sego","date_created":"2019-11-14T14:47:32Z","date_updated":"2019-12-06T13:47:58Z"}],"abstract":[{"text":"In the last years, store-oriented software ecosystems are gaining\r\nmore and more attention from a business perspective. In these ecosystems,\r\nthird-party developers upload extensions to a store which can be\r\ndownloaded by end users. While the functional scope of such ecosystems\r\nis relatively similar, the underlying business models differ greatly in and\r\nbetween their different product domains (e.g. Mobile Phone, Smart TV).\r\nThis variability, in turn, makes it challenging for store providers to \r\nfind a business model that fits their own needs.\r\nTo handle this variability, we introduce the Business Variability Model\r\n(BVM) for modeling business model decisions. The basis of these decisions\r\nis the analysis of 60 store-oriented software ecosystems in eight\r\ndifferent product domains. We map their business model decisions to the\r\nBusiness Model Canvas, condense them to a variability model and discuss\r\nparticular variants and their dependencies. Our work provides store\r\nproviders a new approach for modeling business model decisions together\r\nwith insights of existing business models. This, in turn, supports them\r\nin creating new and improving existing business models.","lang":"eng"}],"publication":"Business Modeling and Software Design","language":[{"iso":"eng"}],"ddc":["000"],"keyword":["Software Ecosystems","Business Models","Variabilities"],"year":"2019","title":"Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach","date_created":"2019-04-23T11:47:23Z","publisher":"Springer International Publishing","status":"public","editor":[{"first_name":"Boris","full_name":"Shishkov, Boris","last_name":"Shishkov"}],"type":"conference","file_date_updated":"2019-12-06T13:47:58Z","user_id":"47208","series_title":"Lecture Notes in Business Information Processing","department":[{"_id":"66"}],"project":[{"_id":"4","name":"SFB 901 - Project Area C"},{"_id":"1","name":"SFB 901"},{"_id":"17","name":"SFB 901 - Subproject C5"}],"_id":"9275","citation":{"ieee":"S. Gottschalk, F. Rittmeier, and G. Engels, “Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach,” in <i>Business Modeling and Software Design</i>, Lisbon, 2019, pp. 153–169.","chicago":"Gottschalk, Sebastian, Florian Rittmeier, and Gregor Engels. “Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach.” In <i>Business Modeling and Software Design</i>, edited by Boris Shishkov, 153–69. Lecture Notes in Business Information Processing. Springer International Publishing, 2019. <a href=\"https://doi.org/10.1007/978-3-030-24854-3_10\">https://doi.org/10.1007/978-3-030-24854-3_10</a>.","ama":"Gottschalk S, Rittmeier F, Engels G. Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach. In: Shishkov B, ed. <i>Business Modeling and Software Design</i>. Lecture Notes in Business Information Processing. Springer International Publishing; 2019:153-169. doi:<a href=\"https://doi.org/10.1007/978-3-030-24854-3_10\">10.1007/978-3-030-24854-3_10</a>","mla":"Gottschalk, Sebastian, et al. “Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach.” <i>Business Modeling and Software Design</i>, edited by Boris Shishkov, Springer International Publishing, 2019, pp. 153–69, doi:<a href=\"https://doi.org/10.1007/978-3-030-24854-3_10\">10.1007/978-3-030-24854-3_10</a>.","bibtex":"@inproceedings{Gottschalk_Rittmeier_Engels_2019, series={Lecture Notes in Business Information Processing}, title={Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach}, DOI={<a href=\"https://doi.org/10.1007/978-3-030-24854-3_10\">10.1007/978-3-030-24854-3_10</a>}, booktitle={Business Modeling and Software Design}, publisher={Springer International Publishing}, author={Gottschalk, Sebastian and Rittmeier, Florian and Engels, Gregor}, editor={Shishkov, BorisEditor}, year={2019}, pages={153–169}, collection={Lecture Notes in Business Information Processing} }","short":"S. Gottschalk, F. Rittmeier, G. Engels, in: B. Shishkov (Ed.), Business Modeling and Software Design, Springer International Publishing, 2019, pp. 153–169.","apa":"Gottschalk, S., Rittmeier, F., &#38; Engels, G. (2019). Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach. In B. Shishkov (Ed.), <i>Business Modeling and Software Design</i> (pp. 153–169). Lisbon: Springer International Publishing. <a href=\"https://doi.org/10.1007/978-3-030-24854-3_10\">https://doi.org/10.1007/978-3-030-24854-3_10</a>"},"page":"153-169","publication_status":"published","publication_identifier":{"unknown":["978-3-030-24853-6"]},"has_accepted_license":"1","main_file_link":[{"url":"https://link.springer.com/chapter/10.1007/978-3-030-24854-3_10"}],"conference":{"end_date":"2019-07-03","location":"Lisbon","name":"International Symposium on Business Modeling and Software Design","start_date":"2019-07-01"},"doi":"10.1007/978-3-030-24854-3_10","author":[{"first_name":"Sebastian","last_name":"Gottschalk","id":"47208","full_name":"Gottschalk, Sebastian"},{"first_name":"Florian","last_name":"Rittmeier","full_name":"Rittmeier, Florian","id":"5281"},{"first_name":"Gregor","last_name":"Engels","id":"107","full_name":"Engels, Gregor"}],"oa":"1","date_updated":"2022-01-06T07:04:12Z"},{"year":"2019","title":"Testing Balancedness of ML Algorithms","date_created":"2019-02-19T08:28:23Z","publisher":"Gesellschaft für Informatik e.V. (GI)","publication":"Proceedings of the Software Engineering Conference (SE)","language":[{"iso":"eng"}],"citation":{"bibtex":"@inproceedings{Sharma_Wehrheim_2019, place={Stuttgart}, series={Lecture Notes in Informatics (LNI)}, title={Testing Balancedness of ML Algorithms}, volume={P-292}, booktitle={Proceedings of the Software Engineering Conference (SE)}, publisher={Gesellschaft für Informatik e.V. (GI)}, author={Sharma, Arnab and Wehrheim, Heike}, year={2019}, pages={157–158}, collection={Lecture Notes in Informatics (LNI)} }","short":"A. Sharma, H. Wehrheim, in: Proceedings of the Software Engineering Conference (SE), Gesellschaft für Informatik e.V. (GI), Stuttgart, 2019, pp. 157–158.","mla":"Sharma, Arnab, and Heike Wehrheim. “Testing Balancedness of ML Algorithms.” <i>Proceedings of the Software Engineering Conference (SE)</i>, vol. P-292, Gesellschaft für Informatik e.V. (GI), 2019, pp. 157–58.","apa":"Sharma, A., &#38; Wehrheim, H. (2019). Testing Balancedness of ML Algorithms. In <i>Proceedings of the Software Engineering Conference (SE)</i> (Vol. P-292, pp. 157–158). Stuttgart: Gesellschaft für Informatik e.V. (GI).","ama":"Sharma A, Wehrheim H. Testing Balancedness of ML Algorithms. In: <i>Proceedings of the Software Engineering Conference (SE)</i>. Vol P-292. Lecture Notes in Informatics (LNI). Stuttgart: Gesellschaft für Informatik e.V. (GI); 2019:157-158.","ieee":"A. Sharma and H. Wehrheim, “Testing Balancedness of ML Algorithms,” in <i>Proceedings of the Software Engineering Conference (SE)</i>, Stuttgart, 2019, vol. P-292, pp. 157–158.","chicago":"Sharma, Arnab, and Heike Wehrheim. “Testing Balancedness of ML Algorithms.” In <i>Proceedings of the Software Engineering Conference (SE)</i>, P-292:157–58. Lecture Notes in Informatics (LNI). Stuttgart: Gesellschaft für Informatik e.V. (GI), 2019."},"page":"157 - 158","place":"Stuttgart","publication_status":"published","publication_identifier":{"isbn":["978-3-88579-686-2"]},"conference":{"name":"Software Engineering(SE)","start_date":"2019-02-18","end_date":"2019-02-22","location":"Stuttgart"},"author":[{"last_name":"Sharma","full_name":"Sharma, Arnab","id":"67200","first_name":"Arnab"},{"id":"573","full_name":"Wehrheim, Heike","last_name":"Wehrheim","first_name":"Heike"}],"volume":"P-292","date_updated":"2022-01-06T07:03:45Z","status":"public","type":"conference_abstract","series_title":"Lecture Notes in Informatics (LNI)","user_id":"477","department":[{"_id":"34"},{"_id":"77"}],"project":[{"name":"SFB 901 - Project Area B","_id":"3"},{"name":"SFB 901 - Subproject B3","_id":"11"},{"_id":"1","name":"SFB 901"}],"_id":"7752"},{"date_updated":"2022-01-06T07:03:49Z","author":[{"first_name":"Angelika Elfriede","full_name":"Endres, Angelika Elfriede","id":"48794","last_name":"Endres"},{"first_name":"Sonja","last_name":"Recker","full_name":"Recker, Sonja"},{"full_name":"Mir Djawadi, Behnud","id":"26032","last_name":"Mir Djawadi","orcid":"0000-0002-6271-5912","first_name":"Behnud"},{"first_name":"Britta","last_name":"Hoyer","full_name":"Hoyer, Britta","id":"42447"}],"volume":157,"doi":"10.1016/j.jebo.2018.11.004","publication_status":"epub_ahead","has_accepted_license":"1","citation":{"apa":"Endres, A. E., Recker, S., Mir Djawadi, B., &#38; Hoyer, B. (2019). Network Formation and Disruption - An Experiment: Are equilibrium networks too complex? <i>Journal of Economic Behavior and Organization </i>, <i>157</i>, 708–734. <a href=\"https://doi.org/10.1016/j.jebo.2018.11.004\">https://doi.org/10.1016/j.jebo.2018.11.004</a>","mla":"Endres, Angelika Elfriede, et al. “Network Formation and Disruption - An Experiment: Are Equilibrium Networks Too Complex?” <i>Journal of Economic Behavior and Organization </i>, vol. 157, 2019, pp. 708–34, doi:<a href=\"https://doi.org/10.1016/j.jebo.2018.11.004\">10.1016/j.jebo.2018.11.004</a>.","short":"A.E. Endres, S. Recker, B. Mir Djawadi, B. Hoyer, Journal of Economic Behavior and Organization  157 (2019) 708–734.","bibtex":"@article{Endres_Recker_Mir Djawadi_Hoyer_2019, title={Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?}, volume={157}, DOI={<a href=\"https://doi.org/10.1016/j.jebo.2018.11.004\">10.1016/j.jebo.2018.11.004</a>}, journal={Journal of Economic Behavior and Organization }, author={Endres, Angelika Elfriede and Recker, Sonja and Mir Djawadi, Behnud and Hoyer, Britta}, year={2019}, pages={708–734} }","chicago":"Endres, Angelika Elfriede, Sonja Recker, Behnud Mir Djawadi, and Britta Hoyer. “Network Formation and Disruption - An Experiment: Are Equilibrium Networks Too Complex?” <i>Journal of Economic Behavior and Organization </i> 157 (2019): 708–34. <a href=\"https://doi.org/10.1016/j.jebo.2018.11.004\">https://doi.org/10.1016/j.jebo.2018.11.004</a>.","ieee":"A. E. Endres, S. Recker, B. Mir Djawadi, and B. Hoyer, “Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?,” <i>Journal of Economic Behavior and Organization </i>, vol. 157, pp. 708–734, 2019.","ama":"Endres AE, Recker S, Mir Djawadi B, Hoyer B. Network Formation and Disruption - An Experiment: Are equilibrium networks too complex? <i>Journal of Economic Behavior and Organization </i>. 2019;157:708-734. doi:<a href=\"https://doi.org/10.1016/j.jebo.2018.11.004\">10.1016/j.jebo.2018.11.004</a>"},"intvolume":"       157","page":"708-734","project":[{"_id":"1","name":"SFB 901"},{"_id":"7","name":"SFB 901 - Subprojekt A3"},{"name":"SFB 901 - Subprojekt A4","_id":"8"},{"_id":"2","name":"SFB 901 - Project Area A"}],"_id":"80","user_id":"42447","department":[{"_id":"280"},{"_id":"179"},{"_id":"204"},{"_id":"475"}],"article_type":"original","file_date_updated":"2018-11-19T07:39:42Z","type":"journal_article","status":"public","date_created":"2017-10-17T12:41:07Z","title":"Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?","year":"2019","ddc":["330"],"language":[{"iso":"eng"}],"publication":"Journal of Economic Behavior and Organization ","abstract":[{"lang":"eng","text":"Models on network formation have often been extended to include the potential of network disruption in recent years. Whereas the theoretical research on network formation under the threat of disruption has thus gained prominence, hardly any experimental research exists so far. In this paper, we therefore experimentally study the emergence of networks including the aspect of a known external threat by relating theoretical predictions by Dzuibiński and Goyal (2013) to actual observed behaviour. We deal with the question if subjects in the role of a strategic Designer are able to form safe networks for least costs while facing a strategic Adversary who is going to attack their networks. Varying the costs for protecting nodes, we designed and tested two treatments with different predictions for the equilibrium network and investigated whether one of the least cost equilibrium networks was more likely to be reached. Furthermore, the influence of the subjects’ farsightedness on their decision-making process was elicited and analysed.\r\n\r\nWe find that while subjects are able to build safe networks in both treatments, equilibrium networks are only built in one of the two treatments. In the other treatment, predominantly safe networks are built but they are not for least costs. Additionally, we find that farsightedness –as measured in our experiment– has no influence on whether subjects are able to build safe or least cost equilibrium networks. Two robustness settings with a reduced external threat or more liberties to modify the initial networks qualitatively confirm our results. Overall, in this experiment observed behaviour is only partially in line with the theoretical predictions by Dzuibiński and Goyal (2013)."}],"file":[{"relation":"main_file","content_type":"application/pdf","file_size":1569991,"file_name":"Publication Jebo.pdf","file_id":"5723","access_level":"closed","date_updated":"2018-11-19T07:39:42Z","creator":"bhoyer","date_created":"2018-11-19T07:39:42Z"}]},{"year":"2019","title":"Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games","date_created":"2019-02-25T13:03:02Z","abstract":[{"lang":"eng","text":"This thesis investigates approximate pure Nash equilibria in different game-theoretic models. In such an outcome, no player can improve her objective by more than a given factor through a deviation to another strategy. In the first part, we investigate two variants of Congestion Games in which the existence of pure Nash equilibria is guaranteed through a potential function argument. However, the computation of such equilibria might be hard. We construct and analyze approximation algorithms that enable the computation of states with low approximation factors in polynomial time. To show their guarantees we use sub games among players, bound the potential function values of arbitrary states and exploit a connection between Shapley and proportional cost shares. Furthermore, we apply and analyze sampling techniques for the computation of approximate Shapley values in different settings. In the second part, we concentrate on the existence of approximate pure Nash equilibria in games in which no pure Nash equilibria exist in general. In the model of Coevolving Opinion Formation Games, we bound the approximation guarantees for natural states nearly independent of the specific definition of the players' neighborhoods by applying a concept of virtual costs. For the special case of only one influential neighbor, we even show lower approximation factors for a natural strategy. Then, we investigate a two-sided Facility Location Game among facilities and clients on a line with an objective function consisting of distance and load. We show tight bounds on the approximation factor for settings with three facilities and infinitely many clients. For the general scenario with an arbitrary number of facilities, we bound the approximation factor for two promising candidates, namely facilities that are uniformly distributed and which are paired."}],"file":[{"date_updated":"2019-03-28T13:40:51Z","creator":"ups","date_created":"2019-03-28T13:40:51Z","file_size":3116177,"file_id":"8715","file_name":"Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games.pdf","access_level":"closed","content_type":"application/pdf","success":1,"relation":"main_file"}],"ddc":["000"],"language":[{"iso":"eng"}],"place":"Universität Paderborn","citation":{"ieee":"M. Feldotto, <i>Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games</i>. Universität Paderborn, 2019.","chicago":"Feldotto, Matthias. <i>Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games</i>. Universität Paderborn, 2019. <a href=\"https://doi.org/10.17619/UNIPB/1-588\">https://doi.org/10.17619/UNIPB/1-588</a>.","ama":"Feldotto M. <i>Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games</i>. Universität Paderborn; 2019. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-588\">10.17619/UNIPB/1-588</a>","apa":"Feldotto, M. (2019). <i>Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games</i>. Universität Paderborn. <a href=\"https://doi.org/10.17619/UNIPB/1-588\">https://doi.org/10.17619/UNIPB/1-588</a>","bibtex":"@book{Feldotto_2019, place={Universität Paderborn}, title={Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-588\">10.17619/UNIPB/1-588</a>}, author={Feldotto, Matthias}, year={2019} }","mla":"Feldotto, Matthias. <i>Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games</i>. 2019, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-588\">10.17619/UNIPB/1-588</a>.","short":"M. Feldotto, Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games, Universität Paderborn, 2019."},"has_accepted_license":"1","doi":"10.17619/UNIPB/1-588","main_file_link":[{"url":"http://digital.ub.uni-paderborn.de/hs/download/pdf/3005508?originalFilename=true"}],"date_updated":"2022-01-06T07:03:50Z","author":[{"id":"14052","full_name":"Feldotto, Matthias","last_name":"Feldotto","orcid":"0000-0003-1348-6516","first_name":"Matthias"}],"supervisor":[{"first_name":"Alexander","last_name":"Skopalik","id":"40384","full_name":"Skopalik, Alexander"}],"status":"public","type":"dissertation","file_date_updated":"2019-03-28T13:40:51Z","_id":"8080","project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"department":[{"_id":"541"},{"_id":"63"}],"user_id":"15415"},{"year":"2019","date_created":"2019-02-26T18:07:33Z","publisher":"Elsevier BV","title":"Joint testing and profiling of microservice-based network services using TTCN-3","publication":"ICT Express","file":[{"relation":"main_file","content_type":"application/pdf","access_level":"open_access","file_name":"main_for_ris.pdf","file_id":"8114","file_size":232599,"date_created":"2019-02-26T18:09:43Z","creator":"peuster","date_updated":"2019-02-26T18:09:43Z"}],"abstract":[{"lang":"eng","text":"The ongoing softwarization of networks creates a big need for automated testing solutions to ensure service quality. This becomes even more important if agile environments with short time to market and high demands, in terms of service performance and availability, are considered.\r\nIn this paper, we introduce a novel testing solution for virtualized, microservice-based network functions and services, which we base on TTCN-3, a well known testing language defined by the European standards institute (ETSI). We use TTCN-3 not only for functional testing but also answer the question whether TTCN-3 can be used for  performance profiling tasks as well. Finally, we demonstrate the proposed concepts and solutions in a case study using our open-source prototype to test and profile a chained network service."}],"language":[{"iso":"eng"}],"ddc":["000"],"publication_status":"published","publication_identifier":{"issn":["2405-9595"]},"has_accepted_license":"1","citation":{"short":"M. Peuster, C. Dröge, C. Boos, H. Karl, ICT Express (2019).","mla":"Peuster, Manuel, et al. “Joint Testing and Profiling of Microservice-Based Network Services Using TTCN-3.” <i>ICT Express</i>, Elsevier BV, 2019, doi:<a href=\"https://doi.org/10.1016/j.icte.2019.02.001\">10.1016/j.icte.2019.02.001</a>.","bibtex":"@article{Peuster_Dröge_Boos_Karl_2019, title={Joint testing and profiling of microservice-based network services using TTCN-3}, DOI={<a href=\"https://doi.org/10.1016/j.icte.2019.02.001\">10.1016/j.icte.2019.02.001</a>}, journal={ICT Express}, publisher={Elsevier BV}, author={Peuster, Manuel and Dröge, Christian and Boos, Clemens and Karl, Holger}, year={2019} }","apa":"Peuster, M., Dröge, C., Boos, C., &#38; Karl, H. (2019). Joint testing and profiling of microservice-based network services using TTCN-3. <i>ICT Express</i>. <a href=\"https://doi.org/10.1016/j.icte.2019.02.001\">https://doi.org/10.1016/j.icte.2019.02.001</a>","chicago":"Peuster, Manuel, Christian Dröge, Clemens Boos, and Holger Karl. “Joint Testing and Profiling of Microservice-Based Network Services Using TTCN-3.” <i>ICT Express</i>, 2019. <a href=\"https://doi.org/10.1016/j.icte.2019.02.001\">https://doi.org/10.1016/j.icte.2019.02.001</a>.","ieee":"M. Peuster, C. Dröge, C. Boos, and H. Karl, “Joint testing and profiling of microservice-based network services using TTCN-3,” <i>ICT Express</i>, 2019.","ama":"Peuster M, Dröge C, Boos C, Karl H. 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Experts are physicians and are assumed to differ in their cost of treating a small problem. We investigate the effects of this heterogeneity on the physicians’ level of fraud and on the patients’ search for second opinions. We find that introducing a fraction of more efficient low-cost physicians always increases social welfare, but in some cases only because of the raised physicians’ surplus. When the low-cost physicians’ cost advantage is small, imposing a share of low-cost physicians does not change the equilibrium fraud level. When the cost advantage is large, however, different changes in the fraud level occur depending on the share of generated low-cost physicians, the search rate and the initial level of fraud."}],"author":[{"first_name":"Joachim Maria Josef","full_name":"Heinzel, Joachim Maria Josef","id":"53445","last_name":"Heinzel"}],"volume":118,"date_updated":"2022-01-06T07:03:42Z","has_accepted_license":"1","citation":{"ama":"Heinzel JMJ. <i>Credence Goods Markets with Heterogeneous Experts</i>. Vol 118. Paderborn University: CIE Working Paper Series; 2019.","ieee":"J. M. J. Heinzel, <i>Credence Goods Markets with Heterogeneous Experts</i>, vol. 118. Paderborn University: CIE Working Paper Series, 2019.","chicago":"Heinzel, Joachim Maria Josef. <i>Credence Goods Markets with Heterogeneous Experts</i>. Vol. 118. CIE Working Paper Series. Paderborn University: CIE Working Paper Series, 2019.","apa":"Heinzel, J. M. J. (2019). <i>Credence Goods Markets with Heterogeneous Experts</i> (Vol. 118). 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ACM, 2019. <a href=\"https://doi.org/10.1145/3308558.3313507\">https://doi.org/10.1145/3308558.3313507</a>.","ieee":"S. Heindorf, Y. Scholten, G. Engels, and M. Potthast, “Debiasing Vandalism Detection Models at Wikidata,” in <i>WWW</i>, San Francisco, USA, 2019, pp. 670–680.","ama":"Heindorf S, Scholten Y, Engels G, Potthast M. Debiasing Vandalism Detection Models at Wikidata. In: <i>WWW</i>. ACM; 2019:670-680. doi:<a href=\"https://doi.org/10.1145/3308558.3313507\">10.1145/3308558.3313507</a>","apa":"Heindorf, S., Scholten, Y., Engels, G., &#38; Potthast, M. (2019). Debiasing Vandalism Detection Models at Wikidata. In <i>WWW</i> (pp. 670–680). San Francisco, USA: ACM. <a href=\"https://doi.org/10.1145/3308558.3313507\">https://doi.org/10.1145/3308558.3313507</a>","mla":"Heindorf, Stefan, et al. “Debiasing Vandalism Detection Models at Wikidata.” <i>WWW</i>, ACM, 2019, pp. 670–80, doi:<a href=\"https://doi.org/10.1145/3308558.3313507\">10.1145/3308558.3313507</a>.","short":"S. 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(TACO)</i>, <i>16</i>(2), 14:1–14:26. <a href=\"https://doi.org/10.1145/3319423\">https://doi.org/10.1145/3319423</a>","chicago":"Riebler, Heinrich, Gavin Francis Vaz, Tobias Kenter, and Christian Plessl. “Transparent Acceleration for Heterogeneous Platforms with Compilation to OpenCL.” <i>ACM Trans. Archit. Code Optim. (TACO)</i> 16, no. 2 (2019): 14:1–14:26. <a href=\"https://doi.org/10.1145/3319423\">https://doi.org/10.1145/3319423</a>.","ieee":"H. Riebler, G. F. Vaz, T. Kenter, and C. Plessl, “Transparent Acceleration for Heterogeneous Platforms with Compilation to OpenCL,” <i>ACM Trans. Archit. Code Optim. (TACO)</i>, vol. 16, no. 2, pp. 14:1–14:26, 2019.","ama":"Riebler H, Vaz GF, Kenter T, Plessl C. Transparent Acceleration for Heterogeneous Platforms with Compilation to OpenCL. <i>ACM Trans Archit Code Optim (TACO)</i>. 2019;16(2):14:1–14:26. doi:<a href=\"https://doi.org/10.1145/3319423\">10.1145/3319423</a>"},"intvolume":"        16","page":"14:1–14:26","ddc":["000"],"keyword":["htrop"],"language":[{"iso":"eng"}],"publication":"ACM Trans. Archit. Code Optim. 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Nutt, Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick, Universität Paderborn, 2019.","mla":"Nutt, Florian. <i>Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick</i>. 2019.","bibtex":"@book{Nutt_2019, place={Universität Paderborn}, title={Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick}, author={Nutt, Florian}, year={2019} }","apa":"Nutt, F. (2019). <i>Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick</i>. Universität Paderborn.","chicago":"Nutt, Florian. <i>Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick</i>. Universität Paderborn, 2019.","ieee":"F. Nutt, <i>Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick</i>. Universität Paderborn, 2019.","ama":"Nutt F. <i>Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick</i>. Universität Paderborn; 2019."},"date_updated":"2022-01-06T07:03:53Z","supervisor":[{"first_name":"Dennis","full_name":"Kundisch, Dennis","id":"21117","last_name":"Kundisch"}],"date_created":"2019-03-05T13:42:10Z","author":[{"last_name":"Nutt","full_name":"Nutt, Florian","first_name":"Florian"}],"title":"Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick"},{"has_accepted_license":"1","publication_identifier":{"issn":["2073-431X"]},"publication_status":"published","intvolume":"         8","citation":{"ama":"Bäumer FS, Kersting J, Geierhos M. Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches. <i>Computers</i>. 2019;8(1). doi:<a href=\"https://doi.org/10.3390/computers8010022\">10.3390/computers8010022</a>","chicago":"Bäumer, Frederik Simon, Joschka Kersting, and Michaela Geierhos. “Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches.” <i>Computers</i> 8, no. 1 (2019). <a href=\"https://doi.org/10.3390/computers8010022\">https://doi.org/10.3390/computers8010022</a>.","ieee":"F. S. Bäumer, J. Kersting, and M. Geierhos, “Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches,” <i>Computers</i>, vol. 8, no. 1, 2019.","mla":"Bäumer, Frederik Simon, et al. “Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches.” <i>Computers</i>, vol. 8, no. 1, 22, MDPI AG, Basel, Switzerland, 2019, doi:<a href=\"https://doi.org/10.3390/computers8010022\">10.3390/computers8010022</a>.","bibtex":"@article{Bäumer_Kersting_Geierhos_2019, title={Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches}, volume={8}, DOI={<a href=\"https://doi.org/10.3390/computers8010022\">10.3390/computers8010022</a>}, number={122}, journal={Computers}, publisher={MDPI AG, Basel, Switzerland}, author={Bäumer, Frederik Simon and Kersting, Joschka and Geierhos, Michaela}, year={2019} }","short":"F.S. Bäumer, J. Kersting, M. Geierhos, Computers 8 (2019).","apa":"Bäumer, F. S., Kersting, J., &#38; Geierhos, M. (2019). Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches. <i>Computers</i>, <i>8</i>(1). <a href=\"https://doi.org/10.3390/computers8010022\">https://doi.org/10.3390/computers8010022</a>"},"date_updated":"2022-01-06T07:03:55Z","oa":"1","volume":8,"author":[{"first_name":"Frederik Simon","id":"38837","full_name":"Bäumer, Frederik Simon","last_name":"Bäumer"},{"id":"58701","full_name":"Kersting, Joschka","last_name":"Kersting","first_name":"Joschka"},{"full_name":"Geierhos, Michaela","id":"42496","last_name":"Geierhos","orcid":"0000-0002-8180-5606","first_name":"Michaela"}],"conference":{"end_date":"2018-10-06","location":"Vilnius, Lithuania","name":"24th International Conference on Information and Software Technologies (ICIST 2018)","start_date":"2018-10-04"},"doi":"10.3390/computers8010022","main_file_link":[{"url":"https://www.mdpi.com/2073-431X/8/1/22/pdf","open_access":"1"}],"type":"journal_article","status":"public","_id":"8424","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area B","_id":"3"},{"name":"SFB 901 - Subproject B1","_id":"9"}],"department":[{"_id":"36"},{"_id":"1"},{"_id":"579"}],"user_id":"58701","article_type":"original","article_number":"22","file_date_updated":"2020-09-18T09:23:34Z","quality_controlled":"1","issue":"1","year":"2019","publisher":"MDPI AG, Basel, Switzerland","date_created":"2019-03-06T14:27:28Z","title":"Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches","publication":"Computers","abstract":[{"lang":"eng","text":"The vision of On-the-Fly (OTF) Computing is to compose and provide software services ad hoc, based on requirement descriptions in natural language. Since non-technical users write their software requirements themselves and in unrestricted natural language, deficits occur such as inaccuracy and incompleteness. These deficits are usually met by natural language processing methods, which have to face special challenges in OTF Computing because maximum automation is the goal. In this paper, we present current automatic approaches for solving inaccuracies and incompletenesses in natural language requirement descriptions and elaborate open challenges. In particular, we will discuss the necessity of domain-specific resources and show why, despite far-reaching automation, an intelligent and guided integration of end users into the compensation process is required. In this context, we present our idea of a chat bot that integrates users into the compensation process depending on the given circumstances. "}],"file":[{"date_created":"2020-09-18T09:23:34Z","creator":"jkers","date_updated":"2020-09-18T09:23:34Z","file_name":"Bäumer et al. (2019), Baeumer2019.pdf","access_level":"closed","file_id":"19572","file_size":3164523,"content_type":"application/pdf","relation":"main_file","success":1}],"keyword":["Inaccuracy Detection","Natural Language Software Requirements","Chat Bot"],"ddc":["000"],"language":[{"iso":"eng"}]},{"title":"There's an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads","date_updated":"2022-01-06T07:03:56Z","date_created":"2019-03-21T08:42:42Z","author":[{"first_name":"Yvonne Maria","last_name":"Beckhoff","full_name":"Beckhoff, Yvonne Maria"}],"supervisor":[{"first_name":"Dennis","full_name":"Kundisch, Dennis","id":"21117","last_name":"Kundisch"}],"year":"2019","place":"Universität Paderborn","citation":{"apa":"Beckhoff, Y. M. (2019). <i>There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads</i>. Universität Paderborn.","bibtex":"@book{Beckhoff_2019, place={Universität Paderborn}, title={There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads}, author={Beckhoff, Yvonne Maria}, year={2019} }","short":"Y.M. Beckhoff, There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads, Universität Paderborn, 2019.","mla":"Beckhoff, Yvonne Maria. <i>There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads</i>. 2019.","ama":"Beckhoff YM. <i>There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads</i>. Universität Paderborn; 2019.","chicago":"Beckhoff, Yvonne Maria. <i>There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads</i>. Universität Paderborn, 2019.","ieee":"Y. M. Beckhoff, <i>There’s an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads</i>. Universität Paderborn, 2019."},"language":[{"iso":"other"}],"project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"name":"SFB 901 - Subproject A4","_id":"8"}],"_id":"8530","user_id":"477","status":"public","type":"bachelorsthesis"},{"has_accepted_license":"1","page":"287--296","citation":{"ama":"Feldmann M, Scheideler C. Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities. In: <i>Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>. ACM; 2019:287--296. doi:<a href=\"https://doi.org/10.1145/3323165.3323193\">10.1145/3323165.3323193</a>","ieee":"M. Feldmann and C. Scheideler, “Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities,” in <i>Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>, 2019, pp. 287--296.","chicago":"Feldmann, Michael, and Christian Scheideler. “Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities.” In <i>Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>, 287--296. ACM, 2019. <a href=\"https://doi.org/10.1145/3323165.3323193\">https://doi.org/10.1145/3323165.3323193</a>.","short":"M. Feldmann, C. Scheideler, in: Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), ACM, 2019, pp. 287--296.","mla":"Feldmann, Michael, and Christian Scheideler. “Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities.” <i>Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>, ACM, 2019, pp. 287--296, doi:<a href=\"https://doi.org/10.1145/3323165.3323193\">10.1145/3323165.3323193</a>.","bibtex":"@inproceedings{Feldmann_Scheideler_2019, title={Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities}, DOI={<a href=\"https://doi.org/10.1145/3323165.3323193\">10.1145/3323165.3323193</a>}, booktitle={Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)}, publisher={ACM}, author={Feldmann, Michael and Scheideler, Christian}, year={2019}, pages={287--296} }","apa":"Feldmann, M., &#38; Scheideler, C. (2019). Skeap &#38; Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities. In <i>Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)</i> (pp. 287--296). ACM. <a href=\"https://doi.org/10.1145/3323165.3323193\">https://doi.org/10.1145/3323165.3323193</a>"},"author":[{"last_name":"Feldmann","id":"23538","full_name":"Feldmann, Michael","first_name":"Michael"},{"full_name":"Scheideler, Christian","id":"20792","last_name":"Scheideler","first_name":"Christian"}],"date_updated":"2022-01-06T07:03:56Z","doi":"10.1145/3323165.3323193","type":"conference","status":"public","department":[{"_id":"79"}],"user_id":"477","_id":"8534","project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"5","name":"SFB 901 - Subproject A1"}],"file_date_updated":"2019-08-26T09:14:32Z","year":"2019","date_created":"2019-03-21T14:37:26Z","publisher":"ACM","title":"Skeap & Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities","publication":"Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)","file":[{"date_updated":"2019-08-26T09:14:32Z","creator":"ups","date_created":"2019-08-26T09:14:32Z","file_size":1295095,"file_id":"12954","access_level":"closed","file_name":"p287-feldmann.pdf","content_type":"application/pdf","success":1,"relation":"main_file"}],"abstract":[{"lang":"eng","text":"We propose two protocols for distributed priority queues (denoted by 'heap' for simplicity in this paper) called SKEAP and SEAP. SKEAP realizes a distributed heap for a constant amount of priorities and SEAP one for an arbitrary amount. Both protocols build on an overlay, which induces an aggregation tree on which heap operations are aggregated in batches, ensuring that our protocols scale even for a high rate of incoming requests. As part of SEAP we provide a novel distributed protocol for the k-selection problem that runs in time O(log n) w.h.p. SKEAP guarantees sequential consistency for its heap operations, while SEAP guarantees serializability. SKEAP and SEAP provide logarithmic runtimes w.h.p. on all their operations. \r\nSKEAP and SEAP provide logarithmic runtimes w.h.p. on all their operations with SEAP having to use only O(log n) bit messages."}],"external_id":{"arxiv":["1805.03472"]},"language":[{"iso":"eng"}],"ddc":["004"]}]