@inproceedings{20263, author = {{Göddecke, Johannes and Meschut, Gerson and Teutenberg, Dominik}}, booktitle = {{12TH EUROPEAN ADHESION CONFERENCE (EURADH 2018)}}, editor = {{da Silva, Lucas}}, isbn = {{978-989-8927-24-8}}, location = {{Lissabon}}, title = {{{Constructive design of bonded FRP mixed joints under consideration of edge effects}}}, year = {{2018}}, } @book{20267, author = {{Göddecke, Johannes and Meschut, Gerson}}, isbn = {{978-3-86780-559-9}}, publisher = {{Plattform FOREL}}, title = {{{FOREL-Studie 2018: Ressourceneffizienter Leichtbau für die Mobilität (Wandel-Prognose-Transfer)}}}, year = {{2018}}, } @article{20282, abstract = {{Modern developments in the automotive sector are motivated by the objective of lowering the emission of pollutants. In contrast, growing demands for safety and comfort lead to a potential increase of the weight of vehicles. Thus, the consequent use of lightweight design is indispensable. This includes the use of different materials for the construction of car bodies. Because of various material properties, joining of dissimilar materials is challenging and requires often the application of non-thermic processes like riveting or clinching. These processes are limited by the mechanical properties of the joining partners. Especially the increasing use of ultra-high strength alloys, like the hot stamped steel 22MnB5, makes the development of new joining technologies necessary. One of these innovative technologies is shear-clinching. By combining shear-cutting and clinching in one process, this technology produces durable and tight connections of dissimilar materials with high differences regarding strength and formability. In contrast to shear-cutting the die-sided material has no contact with the punch. Since the process of shear-clinching is a combination of cutting and joining using the same tool, the tool loads differ from common shear-cutting. Especially cutting hot stamped steels is a challenge due to their high ultimate strength which leads to high tool loads. Thus, the analysis of the load condition is essential for the dimensioning of durable and wear resistant tools. Hence, the scope of this paper is a numerical investigation of the tool loads during the indirect cutting process and the subsequent step of joining by forming during shear-clinching. Since an experimental investigation of the occurring tool loads in the closed process is not practicable, the finite element method has to be used. Therefore, a damage-based numerical model is set up to enable the coupled simulation of the combined cutting and joining process and the resulting tool loads. This allows the analysis of the loads during the whole process, identifying the influences of materials and sheet thicknesses.}}, author = {{Wiesenmayer, Sebastian and Müller, Martin and Dornberger, Peter and Han, Daxin and Hörhold, Réjane and Meschut, Gerson and Merklein, Marion}}, issn = {{1662-9795}}, journal = {{Key Engineering Materials}}, pages = {{397--404}}, title = {{{Numerical Investigation of the Tool Load in Joining by Forming of Dissimilar Materials Using Shear-Clinching Technology}}}, doi = {{10.4028/www.scientific.net/kem.767.397}}, year = {{2018}}, } @article{20283, author = {{Han, Daxin and Hörhold, Réjane and Wiesenmayer, Sebastian and Merklein, Marion and Meschut, Gerson}}, issn = {{2351-9789}}, journal = {{Procedia Manufacturing}}, pages = {{1346--1353}}, title = {{{Investigation of the influence of tool-sided parameters on deformation and occurring tool loads in shear-clinching processes}}}, doi = {{10.1016/j.promfg.2018.07.349}}, year = {{2018}}, } @article{20289, author = {{Ivanjko, Martin and Meschut, Gerson}}, issn = {{0043-2288}}, journal = {{Welding in the World}}, pages = {{97--106}}, title = {{{Innovative joining technology for multi-material applications with high manganese steels in lightweight car body structures}}}, doi = {{10.1007/s40194-018-0648-9}}, year = {{2018}}, } @article{27981, author = {{Weber, KS and Simon, MC and Strassburger, K and Markgraf, DF and Buyken, Anette and Szendroedi, J and Müssig, K and Roden, M and Group, GDS}}, issn = {{2072-6643}}, journal = {{Nutrients}}, number = {{6}}, title = {{{Habitual Fructose Intake Relates to Insulin Sensitivity and Fatty Liver Index in Recent-Onset Type 2 Diabetes Patients and Individuals without Diabetes.}}}, doi = {{10.3390/nu10060774}}, volume = {{10}}, year = {{2018}}, } @inproceedings{28005, author = {{Bloh, Thiemo and Bloh, Bea}}, location = {{Lüneburg}}, title = {{{„Persons in the Shadow“ und ihre Bedeutung für die Entwicklung von Lehrerexpertise}}}, year = {{2018}}, } @inproceedings{28007, author = {{Bloh, Thiemo and Bloh, Bea and van Ophuysen, Stefanie}}, title = {{{Professionelle Lerngemeinschaften und Communities of Practice – Unterschiedliche theoretische Ansätze zur Erforschung von Lehrerkooperation}}}, year = {{2018}}, } @inproceedings{28020, author = {{Bloh, Bea and Schürer, Sina and Behrmann, Lars and van Ophuysen, Stefanie}}, title = {{{Vermittlungsstrategien zum Forschenden Lernen in der Lehrerbildung - Was nutzt der Nutzen?}}}, year = {{2018}}, } @article{2814, author = {{Gries, Thomas and Grundmann, Rainer}}, journal = {{Journal of International Development}}, number = {{3}}, pages = {{493--506}}, title = {{{Fertility and Modernization: The Role of Urbanization in Developing Countries}}}, doi = {{10.1002/jid.3104}}, volume = {{30}}, year = {{2018}}, } @techreport{2821, author = {{Kundisch, Dennis and Beverungen, Daniel}}, pages = {{22--27}}, title = {{{Als Wirtschaftsinformatiker die digitale Transformation in Organisationen gestalten}}}, year = {{2018}}, } @inproceedings{2831, abstract = {{We consider a market where final products or services are compositions of a number of basic services. Users are asked to evaluate the quality of the composed product after purchase. The quality of the basic service influences the performance of the composed services but cannot be observed directly. The question we pose is whether it is possible to use user evaluations on composed services to assess the quality of basic services. We discuss how to combine aggregation of evaluations across users and disaggregation of information on composed services to derive valuations for the single components. As a solution we propose to use the (weighted) average as aggregation device in connection with the Shapley value as disaggregation method, since this combination fulfills natural requirements in our context. In addition, we address some occurring computational issues: We give an approximate solution concept using only a limited number of evaluations which guarantees nearly optimal results with reduced running time. Lastly, we show that a slightly modified Shapley value and the weighted average are still applicable if the evaluation profiles are incomplete.}}, author = {{Feldotto, Matthias and Haake, Claus-Jochen and Skopalik, Alexander and Stroh-Maraun, Nadja}}, booktitle = {{Proceedings of the 13th Workshop on Economics of Networks, Systems and Computation (NetEcon 2018)}}, isbn = {{978-1-4503-5916-0}}, location = {{Irvine, California, USA}}, pages = {{5:1--5:6}}, title = {{{Disaggregating User Evaluations Using the Shapley Value}}}, doi = {{10.1145/3230654.3230659}}, year = {{2018}}, } @inproceedings{2832, author = {{Schlangenotto, Darius and Kundisch, Dennis and Poniatowski, Martin}}, booktitle = {{Proceedings of the 24th Americas Conference on Information Systems (AMCIS)}}, location = {{New Orleans, USA}}, title = {{{What Drives Paid Search Success: A Systematic Literature Review}}}, year = {{2018}}, } @misc{28361, author = {{Gausemeier, Jürgen}}, isbn = {{978-3-947647-04-0}}, publisher = {{Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn}}, title = {{{Vorausschau und Technologieplanung. 14. Symposium für Vorausschau und Technologieplanung, Heinz Nixdorf Institut, 8. und 9. November 2018}}}, volume = {{385}}, year = {{2018}}, } @article{2848, author = {{Li, Shouwei and Markarian, Christine and Meyer auf der Heide, Friedhelm}}, journal = {{Algorithmica}}, number = {{5}}, pages = {{1556–1574}}, publisher = {{Springer}}, title = {{{Towards Flexible Demands in Online Leasing Problems. }}}, doi = {{10.1007/s00453-018-0420-y}}, volume = {{80}}, year = {{2018}}, } @article{2849, author = {{Abu-Khzam, Faisal N. and Markarian, Christine and Meyer auf der Heide, Friedhelm and Schubert, Michael}}, journal = {{Theory of Computing Systems}}, publisher = {{Springer}}, title = {{{Approximation and Heuristic Algorithms for Computing Backbones in Asymmetric Ad-hoc Networks}}}, doi = {{10.1007/s00224-017-9836-z}}, year = {{2018}}, } @inproceedings{2850, author = {{Hamann, Heiko and Markarian, Christine and Meyer auf der Heide, Friedhelm and Wahby, Mostafa}}, booktitle = {{Ninth International Conference on Fun with Algorithms (FUN)}}, title = {{{Pick, Pack, & Survive: Charging Robots in a Modern Warehouse based on Online Connected Dominating Sets}}}, doi = {{10.4230/LIPIcs.FUN.2018.22}}, year = {{2018}}, } @inproceedings{2857, author = {{Mohr, Felix and Lettmann, Theodor and Hüllermeier, Eyke and Wever, Marcel Dominik}}, booktitle = {{Proceedings of the 1st ICAPS Workshop on Hierarchical Planning}}, location = {{Delft, Netherlands}}, pages = {{31--39}}, publisher = {{AAAI}}, title = {{{Programmatic Task Network Planning}}}, year = {{2018}}, } @inproceedings{2861, abstract = {{The Digital Transformation alters business models in all fields of application, but not all industries transform at the same speed. While recent innovations in smart products, big data, and machine learn-ing have profoundly transformed business models in the high-tech sector, less digitalized industries—like agriculture—have only begun to capitalize on these technologies. Inspired by predictive mainte-nance strategies for industrial equipment, the purpose of this paper is to design, implement, and evaluate a predictive maintenance method for agricultural machines that predicts future defects of a machine’s components, based on a data-driven analysis of service records. An evaluation with 3,407 real-world service records proves that the method predicts damaged parts with a mean accuracy of 86.34%. The artifact is an exaptation of previous design knowledge from high-tech industries to agriculture—a sector in which machines move through rough territory and adverse weather conditions, are utilized exten-sively for short periods, and do not provide sensor data to service providers. Deployed on a platform, the prediction method enables co-creating a predictive maintenance service that helps farmers to avoid resources shortages during harvest seasons, while service providers can plan and conduct maintenance service preemptively and with increased efficiency. }}, author = {{Lüttenberg, Hedda and Bartelheimer, Christian and Beverungen, Daniel}}, location = {{Portsmouth, UK}}, title = {{{Designing Predictive Maintenance for Agricultural Machines}}}, year = {{2018}}, } @inproceedings{2862, author = {{Blömer, Johannes and Eidens, Fabian and Juhnke, Jakob}}, booktitle = {{Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers' Track at the {RSA} Conference 2018, Proceedings}}, isbn = {{9783319769523}}, issn = {{0302-9743}}, location = {{San Francisco, CA, USA}}, pages = {{470--490}}, publisher = {{Springer International Publishing}}, title = {{{Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems}}}, doi = {{10.1007/978-3-319-76953-0_25}}, year = {{2018}}, }