@article{16506, author = {Harteis, Christian and Goller, Michael and Caruso, Carina}, issn = {2504-284X}, journal = {Frontiers in Education}, number = {1}, pages = {1--10}, title = {{Conceptual Change in the Face of Digitalization: Challenges for Workplaces and Workplace Learning}}, doi = {10.3389/feduc.2020.00001}, volume = {5}, year = {2020}, } @article{16114, author = {Tiedau, Johannes and Schapeler, Timon and Anant, Vikas and Fedder, Helmut and Silberhorn, Christine and Bartley, Tim}, issn = {1094-4087}, journal = {Optics Express}, title = {{Single-channel electronic readout of a multipixel superconducting nanowire single photon detector}}, doi = {10.1364/oe.383111}, year = {2020}, } @inproceedings{16203, author = {Bolenz, Lukas and Gutperl, Sven and Toye, Dominique and Scholl, Stephan and Kenig, Eugeny}, location = {Berchtesgaden}, title = {{Beschreibung der Rektifikation viskoser Systeme mit Hydrodynamischen Analogien}}, year = {2020}, } @inproceedings{16208, author = {Wecker, Christian and Schulz, Andreas and Heine, Jens and Bart, Hans-Joerg and Kenig, Eugeny}, publisher = {Jahrestreffen der ProcessNet-Fachgruppe Extraktion}, title = {{CFD-basierte Untersuchung stofftransportinduzierter Marangoni-konvektion in Flüssig-Flüssig-Systemen}}, year = {2020}, } @inproceedings{16222, author = {Zafeiropoulos, A. and Fotopoulou, E. and Peuster, Manuel and Schneider, Stefan Balthasar and Gouvas, P. and Behnke, D. and Müller, M. and Bök, P. and Trakadas, P. and Karkazis, P. and Karl, Holger}, booktitle = {IEEE Conference on Network Softwarization (NetSoft)}, title = {{Benchmarking and Profiling 5G Verticals' Applications: An Industrial IoT Use Case}}, year = {2020}, } @article{16830, author = {Beverungen, Daniel and Buijs, Joos C. A. M. and Becker, Jörg and Di Ciccio, Claudio and van der Aalst, Wil M. P. and Bartelheimer, Christian and vom Brocke, Jan and Comuzzi, Marco and Kraume, Karsten and Leopold, Henrik and Matzner, Martin and Mendling, Jan and Ogonek, Nadine and Post, Till and Resinas, Manuel and Revoredo, Kate and del-Río-Ortega, Adela and La Rosa, Marcello and Santoro, Flávia Maria and Solti, Andreas and Song, Minseok and Stein, Armin and Stierle, Matthias and Wolf, Verena}, issn = {2363-7005}, journal = {Business & Information Systems Engineering}, title = {{Seven Paradoxes of Business Process Management in a Hyper-Connected World}}, doi = {10.1007/s12599-020-00646-z}, year = {2020}, } @article{16859, author = {Martin, Sven and Camberg, Alan A. and Tröster, Thomas}, issn = {2351-9789}, journal = {Procedia Manufacturing}, location = {virtually}, pages = {419--424}, publisher = {Elsevier}, title = {{Probability Distribution of Joint Point Loadings in Car Body Structures under Global Bending and Torsion}}, doi = {10.1016/j.promfg.2020.04.324}, year = {2020}, } @article{16873, author = {Peitz, Christian and Feng, Yuanhua and Gilroy, Bernard Michael and Stöckmann, Nico}, journal = {Asian Economic and Financial Review}, number = {4}, pages = {427--438}, publisher = {Asian Economic and Social Society}, title = {{The Shanghai-Hong Kong Stock Connect: An Application of the Semi-CGARCH and Semi-EGARCH}}, volume = {10}, year = {2020}, } @article{16277, abstract = {CP2K is an open source electronic structure and molecular dynamics software package to perform atomistic simulations of solid-state, liquid, molecular, and biological systems. It is especially aimed at massively parallel and linear-scaling electronic structure methods and state-of-theart ab initio molecular dynamics simulations. Excellent performance for electronic structure calculations is achieved using novel algorithms implemented for modern high-performance computing systems. This review revisits the main capabilities of CP2K to perform efficient and accurate electronic structure simulations. The emphasis is put on density functional theory and multiple post–Hartree–Fock methods using the Gaussian and plane wave approach and its augmented all-electron extension.}, author = {Kühne, Thomas and Iannuzzi, Marcella and Ben, Mauro Del and Rybkin, Vladimir V. and Seewald, Patrick and Stein, Frederick and Laino, Teodoro and Khaliullin, Rustam Z. and Schütt, Ole and Schiffmann, Florian and Golze, Dorothea and Wilhelm, Jan and Chulkov, Sergey and Mohammad Hossein Bani-Hashemian, Mohammad Hossein Bani-Hashemian and Weber, Valéry and Borstnik, Urban and Taillefumier, Mathieu and Jakobovits, Alice Shoshana and Lazzaro, Alfio and Pabst, Hans and Müller, Tiziano and Schade, Robert and Guidon, Manuel and Andermatt, Samuel and Holmberg, Nico and Schenter, Gregory K. and Hehn, Anna and Bussy, Augustin and Belleflamme, Fabian and Tabacchi, Gloria and Glöß, Andreas and Lass, Michael and Bethune, Iain and Mundy, Christopher J. and Plessl, Christian and Watkins, Matt and VandeVondele, Joost and Krack, Matthias and Hutter, Jürg}, journal = {The Journal of Chemical Physics}, number = {19}, title = {{CP2K: An electronic structure and molecular dynamics software package - Quickstep: Efficient and accurate electronic structure calculations}}, doi = {10.1063/5.0007045}, volume = {152}, year = {2020}, } @inproceedings{15490, author = {Claes, Leander and Baumhögger, Elmar and Rüther, Torben and Gierse, Jan and Tröster, Thomas and Henning, Bernd}, booktitle = {Fortschritte der Akustik - DAGA 2020}, pages = {1077--1080}, title = {{Reduction of systematic measurement deviation in acoustic absorption measurement systems}}, year = {2020}, } @article{17066, author = {Aldahhak, Hazem and Powroźnik, Paulina and Pander, Piotr and Jakubik, Wiesław and Dias, Fernando B. and Schmidt, Wolf Gero and Gerstmann, Uwe and Krzywiecki, Maciej}, issn = {1932-7447}, journal = {The Journal of Physical Chemistry C}, number = {124}, pages = {6090--6102}, title = {{Toward Efficient Toxic-Gas Detectors: Exploring Molecular Interactions of Sarin and Dimethyl Methylphosphonate with Metal-Centered Phthalocyanine Structures}}, doi = {10.1021/acs.jpcc.9b11116}, year = {2020}, } @inproceedings{15820, author = {Al-Khatib, Khalid and Hou, Yufang and Wachsmuth, Henning and Jochim, Charles and Bonin, Francesca and Stein, Benno}, booktitle = {Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI 2020)}, pages = {7367 -- 7374}, title = {{End-to-End Argumentation Knowledge Graph Construction}}, year = {2020}, } @article{16479, author = {zur Heiden, Philipp and Hoffmann, Martin W. and Wildermuth, Stephan and Gitzel, Ralf and Boyaci, Aydin and Gebhardt, Jörg and Kaul, Holger and Amihai, Ido and Forg, Bodo and Suriyah, Michael and Leibfried, Thomas and Stich, Volker and Hicking, Jan and Bremer, Martin and Kaminski, Lars and Beverungen, Daniel and Tornede, Tanja}, journal = {Sensors}, number = {7}, publisher = {MDPI}, title = {{Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions }}, doi = {10.3390/s20072099}, volume = {20}, year = {2020}, } @article{16931, author = {Zhou, Hongqiang and Sain, Basudeb and Wang, Yongtian and Schlickriede, Christian and Zhao, Ruizhe and Zhang, Xue and Wei, Qunshuo and Li, Xiaowei and Huang, Lingling and Zentgraf, Thomas}, issn = {1936-0851}, journal = {ACS Nano}, number = {5}, pages = {5553–5559}, title = {{Polarization-Encrypted Orbital Angular Momentum Multiplexed Metasurface Holography}}, doi = {10.1021/acsnano.9b09814}, volume = {14}, year = {2020}, } @article{17092, abstract = {Radiation tolerance in FPGAs is an important field of research particularly for reliable computation in electronics used in aerospace and satellite missions. The motivation behind this research is the degradation of reliability in FPGA hardware due to single-event effects caused by radiation particles. Redundancy is a commonly used technique to enhance the fault-tolerance capability of radiation-sensitive applications. However, redundancy comes with an overhead in terms of excessive area consumption, latency, and power dissipation. Moreover, the redundant circuit implementations vary in structure and resource usage with the redundancy insertion algorithms as well as number of used redundant stages. The radiation environment varies during the operation time span of the mission depending on the orbit and space weather conditions. Therefore, the overheads due to redundancy should also be optimized at run-time with respect to the current radiation level. In this paper, we propose a technique called Dynamic Reliability Management (DRM) that utilizes the radiation data, interprets it, selects a suitable redundancy level, and performs the run-time reconfiguration, thus varying the reliability levels of the target computation modules. DRM is composed of two parts. The design-time tool flow of DRM generates a library of various redundant implementations of the circuit with different magnitudes of performance factors. The run-time tool flow, while utilizing the radiation/error-rate data, selects a required redundancy level and reconfigures the computation module with the corresponding redundant implementation. Both parts of DRM have been verified by experimentation on various benchmarks. The most significant finding we have from this experimentation is that the performance can be scaled multiple times by using partial reconfiguration feature of DRM, e.g., 7.7 and 3.7 times better performance results obtained for our data sorter and matrix multiplier case studies compared with static reliability management techniques. Therefore, DRM allows for maintaining a suitable trade-off between computation reliability and performance overhead during run-time of an application.}, author = {Anwer, Jahanzeb and Meisner, Sebastian and Platzner, Marco}, issn = {1687-7195}, journal = {International Journal of Reconfigurable Computing}, pages = {1--19}, title = {{Dynamic Reliability Management for FPGA-Based Systems}}, doi = {10.1155/2020/2808710}, year = {2020}, } @inproceedings{15825, author = {Kiesel, Johannes and Lang, Kevin and Wachsmuth, Henning and Hornecker, Eva and Stein, Benno}, booktitle = {Proceedings of the 2020 ACM SIGIR Conference on Human Information Interaction & Retrieval (CHIIR 2020)}, pages = {53--62}, title = {{Investigating Expectations for Voice-based and Conversational Argument Search on the Web}}, year = {2020}, } @inproceedings{15604, author = {Jovanovikj, Ivan and Yigitbas, Enes and Sauer, Stefan and Engels, Gregor}, booktitle = {Proceedings of the 8th International Conference on Model-Driven Engineering and Software Development - Volume 1: MODELSWARD}, isbn = {978-989-758-400-8}, location = {Valletta}, title = {{Concept-based Co-Migration of Test Cases}}, doi = {10.5220/0009171404490456}, year = {2020}, } @inbook{17352, author = {Moritzer, Elmar and Hüttner, Matthias and Henning, Bernd and Webersen, Manuel}, booktitle = {Advances in Polymer Processing 2020}, editor = {Hopmann, Christian and Dahlmann, Rainer}, isbn = {9783662608081}, location = {Aachen}, publisher = {Springer}, title = {{The Influence of Hydrothermal Aging on the Material Properties of Continuous Fiber-Reinforced Thermoplastics and its Non-Destructive Characterization}}, doi = {10.1007/978-3-662-60809-8_16}, year = {2020}, } @inbook{13108, abstract = {Diagrammatisches Schlie{\ss}en wird im Zusammenhang mit dem Lernen von Mathmematik und ihrer Symbolsprache als wesentliche Theorie der Wissenskonstruktion diskutiert. Dabei wird h{\"{a}}ufig davon ausgegangen, dass die Wissenskonstruktion im Sinne diagrammatischen Schlie{\ss}ens erfolgt. Deskriptive Rekonstruktionen diagrammatischen Schlie{\ss}ens bei Lernenden stellen jedoch ein Desiderat der mathematikdidaktischen Forschung dar. Der vorliegende Beitrag befasst sich mit der Fragestellung, wie sich diagrammatisches Schlie{\ss}en bei Lernenden rekonstruieren l{\"{a}}sst. Als m{\"{o}}gliche Werkzeuge f{\"{u}}r eine solche Rekonstruktion werden Toulmins Argumentationsschema und Vergnauds Schema-Begriff exemplarisch angewandt, um das diagrammatische Schlie{\ss}en eines Sch{\"{u}}lerpaars beim Einstieg in die Subtraktion negativer Zahlen zu rekonstruieren. Abschlie{\ss}end wird die tats{\"{a}}chliche Eignung der beiden Ans{\"{a}}tze zur Rekonstruktion diagrammatischen Schlie{\ss}ens diskutiert.}, author = {Schumacher, Jan and Rezat, Sebastian}, booktitle = {Zeichen und Sprache im Mathematikunterricht}, editor = {Kadunz, Gert}, publisher = {Springer}, title = {{Rekonstruktion diagrammatischen Schließens beim Erlernen der Subtraktion negativer Zahlen. Vergleich zweier methodischer Zugänge}}, doi = {10.1007/978-3-662-61194-4_5}, year = {2020}, } @article{17369, author = {Ho, Nam and Kaufmann, Paul and Platzner, Marco}, journal = {International Journal of Hybrid intelligent Systems}, publisher = {IOS Press}, title = {{Evolution of Application-Specific Cache Mappings}}, year = {2020}, } @inproceedings{17408, author = {Hanselle, Jonas Manuel and Tornede, Alexander and Wever, Marcel Dominik and Hüllermeier, Eyke}, booktitle = {KI 2020: Advances in Artificial Intelligence}, title = {{Hybrid Ranking and Regression for Algorithm Selection}}, year = {2020}, } @article{17434, author = {Kunnathully, Vinay S. and Riedl, Thomas and Trapp, Alexander and Langer, Timo and Reuter, Dirk and Lindner, Jörg K.N.}, issn = {0022-0248}, journal = {Journal of Crystal Growth}, title = {{InAs heteroepitaxy on nanopillar-patterned GaAs (111)A}}, doi = {10.1016/j.jcrysgro.2020.125597}, year = {2020}, } @article{17523, abstract = {Compact and robust cold atom sources are increasingly important for quantum research, especially for transferring cutting-edge quantum science into practical applications. In this study, we report on a novel scheme that uses a metasurface optical chip to replace the conventional bulky optical elements used to produce a cold atomic ensemble with a single incident laser beam, which is split by the metasurface into multiple beams of the desired polarization states. Atom numbers ~107 and temperatures (about 35 μK) of relevance to quantum sensing are achieved in a compact and robust fashion. Our work highlights the substantial progress toward fully integrated cold atom quantum devices by exploiting metasurface optical chips, which may have great potential in quantum sensing, quantum computing, and other areas.}, author = {Zhu, Lingxiao and Liu, Xuan and Sain, Basudeb and Wang, Mengyao and Schlickriede, Christian and Tang, Yutao and Deng, Junhong and Li, Kingfai and Yang, Jun and Holynski, Michael and Zhang, Shuang and Zentgraf, Thomas and Bongs, Kai and Lien, Yu-Hung and Li, Guixin}, issn = {2375-2548}, journal = {Science Advances}, number = {31}, publisher = {American Association for the Advancement of Science}, title = {{A dielectric metasurface optical chip for the generation of cold atoms}}, doi = {10.1126/sciadv.abb6667}, volume = {6}, year = {2020}, } @article{17578, author = {Schweizer, Swetlana and Becker-Staines, Anna and Tröster, Thomas}, issn = {0956-053X}, journal = {Waste Management}, pages = {74--82}, title = {{Separation and reclamation of automotive hybrid structures made of metal and fibre-reinforced plastic}}, doi = {10.1016/j.wasman.2020.04.042}, year = {2020}, } @inbook{17732, author = {Hagengruber, Ruth Edith}, booktitle = {Women in the History of Philosophy and Sciences}, isbn = {9783030444204}, issn = {2523-8760}, title = {{The Stolen History—Retrieving the History of Women Philosophers and its Methodical Implications}}, doi = {10.1007/978-3-030-44421-1_4}, year = {2020}, } @inproceedings{17763, author = {Haeb-Umbach, Reinhold}, booktitle = {Studientexte zur Sprachkommunikation: Elektronische Sprachsignalverarbeitung 2020}, editor = {Böck, Ronald and Siegert, Ingo and Wendemuth, Andreas}, isbn = {978-3-959081-93-1}, keyword = {Poster}, pages = {227--234}, publisher = {TUDpress, Dresden}, title = {{Sprachtechnologien für Digitale Assistenten}}, year = {2020}, } @article{17390, author = {Chantakit, Teanchai and Schlickriede, Christian and Sain, Basudeb and Meyer, Fabian and Weiss, Thomas and Chattham, Nattaporn and Zentgraf, Thomas}, issn = {2327-9125}, journal = {Photonics Research}, number = {9}, pages = {1435--1440}, publisher = {OSA}, title = {{All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers}}, doi = {10.1364/prj.389200}, volume = {8}, year = {2020}, } @inbook{17895, author = {Peckhaus, Volker}, booktitle = {Verleihung der Ehrendoktorwürde an Maria von Welser durch die Fakultät für Kulturwissenschaften der Universität Paderborn am 14. November 2019}, pages = {3--4}, title = {{Grußwort}}, volume = {155}, year = {2020}, } @article{16936, author = {Bohn, Nicolai and Kundisch, Dennis}, journal = {Wirtschaftsinformatik & Management}, number = {4}, pages = {290--297}, title = {{Technologie Pivots – Warum und wie digitale Startups ihr Technologiedesign umfassend anpassen}}, volume = {12}, year = {2020}, } @article{17934, author = {Wagner, Gerit and Prester, Julian and Schryen, Guido}, journal = {Communications of the Association for Information Systems}, title = {{Exploring the Scientific Impact of Information Systems Design Science Research}}, year = {2020}, } @article{16710, abstract = {In this work we present a set-oriented path following method for the computation of relative global attractors of parameter-dependent dynamical systems. We start with an initial approximation of the relative global attractor for a fixed parameter λ0 computed by a set-oriented subdivision method. By using previously obtained approximations of the parameter-dependent relative global attractor we can track it with respect to a one-dimensional parameter λ > λ0 without restarting the whole subdivision procedure. We illustrate the feasibility of the set-oriented path following method by exploring the dynamics in low-dimensional models for shear flows during the transition to turbulence and of large-scale atmospheric regime changes . }, author = {Gerlach, Raphael and Ziessler, Adrian and Eckhardt, Bruno and Dellnitz, Michael}, issn = {1536-0040}, journal = {SIAM Journal on Applied Dynamical Systems}, pages = {705--723}, title = {{A Set-Oriented Path Following Method for the Approximation of Parameter Dependent Attractors}}, doi = {10.1137/19m1247139}, year = {2020}, } @inbook{18014, author = {El Mesaoudi-Paul, Adil and Weiß, Dimitri and Bengs, Viktor and Hüllermeier, Eyke and Tierney, Kevin}, booktitle = {Learning and Intelligent Optimization. LION 2020.}, isbn = {9783030535513}, issn = {0302-9743}, pages = {216 -- 232}, publisher = {Springer}, title = {{Pool-Based Realtime Algorithm Configuration: A Preselection Bandit Approach}}, doi = {10.1007/978-3-030-53552-0_22}, volume = {12096}, year = {2020}, } @inproceedings{18021, author = {Yigitbas, Enes and Tejedor, Christopher Bernal and Engels, Gregor}, booktitle = {Proceedings of the Mensch und Computer 2020 (MuC ’20)}, title = {{Experiencing and Programming the ENIAC in VR}}, year = {2020}, } @inproceedings{18038, author = {Böttcher, Stefan and Hartel, Rita and Peeters, Sven}, booktitle = {Proceedings of The International Workshop on Semantic Big Data}, isbn = {9781450379748}, title = {{QSGG: query simulation in grammar-compressed graphs}}, doi = {10.1145/3391274.3393638}, year = {2020}, } @inproceedings{17706, author = {Schemmel, Reinhard and Krieger, Viktor and Hemsel, Tobias and Sextro, Walter}, booktitle = {2020 21st International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE)}, isbn = {9781728160498}, title = {{Co-simulation of MATLAB and ANSYS for ultrasonic wire bonding process optimization}}, doi = {10.1109/eurosime48426.2020.9152679}, year = {2020}, } @article{18850, abstract = {

The impact of the recombination mechanisms in luminescent materials is discussed with regard to luminescence based gas-sensing applications and the use of semiconducting materials, as an alternative to organic–metal complexes, is outlined.

}, author = {Poeplau, Michael and Ester, Stephan and Henning, Bernd and Wagner, Thorsten}, issn = {1463-9076}, journal = {Physical Chemistry Chemical Physics}, title = {{Recombination mechanisms of luminescence type gas sensors}}, doi = {10.1039/d0cp02269a}, year = {2020}, } @article{17857, author = {Pekkarinen, Satu and Hennala, Lea and Tuisku, Outi and Gustafsson, Christine and Johansson-Pajala, Rose-Marie and Thommes, Kirsten and Hoppe, Julia Amelie and Melkas, Helina}, journal = {Futures}, title = {{Embedding care robots into society and practice: Socio-technical considerations}}, volume = {122}, year = {2020}, } @inproceedings{17085, author = {Schwichtenberg, Bahar and Schwichtenberg, Simon and Küster, Jochen and Zimmermann, Olaf and Engels, Gregor}, booktitle = {Advanced Information Systems Engineering}, isbn = {9783030494346}, issn = {0302-9743}, title = {{Modeling and Analyzing Architectural Diversity of Open Platforms}}, doi = {10.1007/978-3-030-49435-3_3}, year = {2020}, } @inbook{19093, author = {Eke, Norbert Otto}, booktitle = {Georg Büchner und die Romantik}, editor = {Borgards, Roland and Dedner, Burghard}, pages = {13--32}, publisher = {de Gruyter}, title = {{„Romantik“ und „Vormärz“. Ein Streitfall}}, year = {2020}, } @inbook{19101, author = {Eke, Norbert Otto}, booktitle = {Zwischen Emanzipation und Sozialdisziplinierung: Pädagogik im Vormärz}, editor = {Gather, Katharina}, pages = {231--258}, publisher = {Aisthesis}, title = {{Habitueller Antiklassizismus. Christian Dietrich Grabbe und die Kritik an Klassik und Romantik im Vormärz}}, year = {2020}, } @inbook{19098, author = {Eke, Norbert Otto}, booktitle = {Vormärz-Handbuch}, editor = {Eke, Norbert Otto}, pages = {171--178}, publisher = {Aisthesis}, title = {{Vormärz und Aufklärung}}, year = {2020}, } @article{19194, author = {Biktagirov, Timur and Schmidt, Wolf Gero and Gerstmann, Uwe}, issn = {2643-1564}, journal = {Physical Review Research}, title = {{Spin decontamination for magnetic dipolar coupling calculations: Application to high-spin molecules and solid-state spin qubits}}, doi = {10.1103/physrevresearch.2.022024}, year = {2020}, } @article{19043, author = {Hasso, Tim and Pelster, Matthias and Breitmayer, Bastian}, issn = {2214-6350}, journal = {Journal of Behavioral and Experimental Finance}, title = {{Terror attacks and individual investor behavior: Evidence from the 2015–2017 European terror attacks}}, doi = {10.1016/j.jbef.2020.100397}, volume = {28}, year = {2020}, } @article{17869, author = {Poniatowski, Martin and Lüttenberg, Hedda and Beverungen, Daniel and Kundisch, Dennis}, journal = {Information Systems and e-Business Management, Special Issue on Platform Business Models and Platform Strategies}, title = {{Three Layers of Abstraction—A Conceptual Framework for Theorizing digital Multi-Sided Platforms}}, year = {2020}, } @article{19562, author = {Kuhlemann, Stefan and Tierney, Kevin}, issn = {1381-1231}, journal = {Journal of Heuristics}, keyword = {pc2-ressources}, title = {{A genetic algorithm for finding realistic sea routes considering the weather}}, doi = {10.1007/s10732-020-09449-7}, year = {2020}, } @inproceedings{15635, author = {Kersting, Joschka and Geierhos, Michaela}, booktitle = {Proceedings of the 33rd International Florida Artificial Intelligence Research Symposium (FLAIRS) Conference}, location = {North Miami Beach, FL, USA}, pages = {282----285}, publisher = {AAAI}, title = {{Neural Learning for Aspect Phrase Extraction and Classification in Sentiment Analysis}}, year = {2020}, } @inproceedings{16400, abstract = {Softwarization facilitates the introduction of smart manufacturing applications in the industry. Manifold devices such as machine computers, Industrial IoT devices, tablets, smartphones and smart glasses are integrated into factory networks to enable shop floor digitalization and big data analysis. To handle the increasing number of devices and the resulting traffic, a flexible and scalable factory network is necessary which can be realized using softwarization technologies like Network Function Virtualization (NFV). However, the security risks increase with the increasing number of new devices, so that cyber security must also be considered in NFV-based networks. Therefore, extending our previous work, we showcase threat detection using a cloud-native NFV-driven intrusion detection system (IDS) that is integrated in our industrial-specific network services. As a result of the threat detection, the affected network service is put into quarantine via automatic network reconfiguration. We use the 5GTANGO service platform to deploy our developed network services on Kubernetes and to initiate the network reconfiguration.}, author = {Müller, Marcel and Behnke, Daniel and Bök, Patrick-Benjamin and Schneider, Stefan Balthasar and Peuster, Manuel and Karl, Holger}, booktitle = {IEEE Conference on Network Softwarization (NetSoft) Demo Track}, location = {Ghent, Belgium}, publisher = {IEEE}, title = {{Cloud-Native Threat Detection and Containment for Smart Manufacturing}}, year = {2020}, } @inproceedings{19606, author = {Gottschalk, Sebastian and Yigitbas, Enes and Schmidt, Eugen and Engels, Gregor}, booktitle = {Proceedings of the 8th International Working Conference on Human-Centered Software Engineering (HCSE'20)}, title = {{ProConAR: A Tool Support for Model-based AR Product Configuration (to appear)}}, year = {2020}, } @unpublished{17605, abstract = {Syntactic annotation of corpora in the form of part-of-speech (POS) tags is a key requirement for both linguistic research and subsequent automated natural language processing (NLP) tasks. This problem is commonly tackled using machine learning methods, i.e., by training a POS tagger on a sufficiently large corpus of labeled data. While the problem of POS tagging can essentially be considered as solved for modern languages, historical corpora turn out to be much more difficult, especially due to the lack of native speakers and sparsity of training data. Moreover, most texts have no sentences as we know them today, nor a common orthography. These irregularities render the task of automated POS tagging more difficult and error-prone. Under these circumstances, instead of forcing the POS tagger to predict and commit to a single tag, it should be enabled to express its uncertainty. In this paper, we consider POS tagging within the framework of set-valued prediction, which allows the POS tagger to express its uncertainty via predicting a set of candidate POS tags instead of guessing a single one. The goal is to guarantee a high confidence that the correct POS tag is included while keeping the number of candidates small. In our experimental study, we find that extending state-of-the-art POS taggers to set-valued prediction yields more precise and robust taggings, especially for unknown words, i.e., words not occurring in the training data.}, author = {Heid, Stefan Helmut and Wever, Marcel Dominik and Hüllermeier, Eyke}, booktitle = {Journal of Data Mining and Digital Humanities}, publisher = {episciences}, title = {{Reliable Part-of-Speech Tagging of Historical Corpora through Set-Valued Prediction}}, year = {2020}, } @inproceedings{19632, author = {Jovanovikj, Ivan and Yigitbas, Enes and Sauer, Stefan and Engels, Gregor}, booktitle = {Proceedings of the 8th International Working Conference on Human-Centered Software Engineering (HCSE'20)}, title = {{An Augmented and Virtual Reality Object Repository for Rapid Prototyping (to appear)}}, year = {2020}, } @article{18350, author = {Koldewey, Christian and Meyer, Maurice and Stockbrügger, Patrick and Dumitrescu, Roman and Gausemeier, Jürgen}, issn = {2212-8271}, journal = {Procedia CIRP}, number = {91}, pages = {851--857}, title = {{Framework and Functionality Patterns for Smart Service Innovation}}, doi = {10.1016/j.procir.2020.02.244}, year = {2020}, } @inproceedings{19656, author = {Sharma, Arnab and Wehrheim, Heike}, booktitle = {Proceedings of the 32th IFIP International Conference on Testing Software and Systems (ICTSS)}, publisher = {Springer}, title = {{Automatic Fairness Testing of Machine Learning Models}}, year = {2020}, } @misc{19651, author = {Zauke, Simon}, title = {{Stand der Forschung zu gefälschten Online-Bewertungen - Ein systematischer Literaturüberblick}}, year = {2020}, } @article{16486, abstract = {After the introduction of CbCR – pursuant to the BEPS Project (Action 13) in 2015 –, which was established to reduce the information asymmetry between MNEs and tax authorities of the countries they operate in, now public CbCR – as suggested by the EU Commission in 2016 – is discussed as a next step. Here, the objective is to overcome information asymmetries between MNEs and the general public of the countries they operate in. Starting from the assumption that regulators care about the legitimacy of tax laws, this article evaluates pros and cons of public CbCR. The authors find that from the perspective of information asymmetries, public CbCR increases tax transparency only marginally at best. Accordingly, it is concluded that democracies that are based on the rule of law seem to rely on pillories in terms of public CbCR to enforce fair tax payments.}, author = {Sureth-Sloane, Caren}, journal = {International Transfer Pricing Journal}, number = {2}, title = {{Country-by-Country Reporting Goes Public - Cui Bono?}}, volume = {27}, year = {2020}, } @article{16309, abstract = {In recent years, the success of the Koopman operator in dynamical systems analysis has also fueled the development of Koopman operator-based control frameworks. In order to preserve the relatively low data requirements for an approximation via Dynamic Mode Decomposition, a quantization approach was recently proposed in [Peitz & Klus, Automatica 106, 2019]. This way, control of nonlinear dynamical systems can be realized by means of switched systems techniques, using only a finite set of autonomous Koopman operator-based reduced models. These individual systems can be approximated very efficiently from data. The main idea is to transform a control system into a set of autonomous systems for which the optimal switching sequence has to be computed. In this article, we extend these results to continuous control inputs using relaxation. This way, we combine the advantages of the data efficiency of approximating a finite set of autonomous systems with continuous controls. We show that when using the Koopman generator, this relaxation --- realized by linear interpolation between two operators --- does not introduce any error for control affine systems. This allows us to control high-dimensional nonlinear systems using bilinear, low-dimensional surrogate models. The efficiency of the proposed approach is demonstrated using several examples with increasing complexity, from the Duffing oscillator to the chaotic fluidic pinball.}, author = {Peitz, Sebastian and Otto, Samuel E. and Rowley, Clarence W.}, journal = {SIAM Journal on Applied Dynamical Systems}, number = {3}, pages = {2162--2193}, title = {{Data-Driven Model Predictive Control using Interpolated Koopman Generators}}, doi = {10.1137/20M1325678}, volume = {19}, year = {2020}, } @inproceedings{19738, author = {Wende, Marc and Philippi, Kai and Kenig, Eugeny}, booktitle = {10. ProcessNet-Jahrestagung und 34. DECHEMA-Jahrestagung der Biotechnologen 2020}, location = {Aachen}, title = {{Numerische Simulation von Gravidestillationsapparaten zur Trennung eines binären Ethanol/Wasser-Gemisches}}, year = {2020}, } @inproceedings{19721, abstract = {Konferenz aufgrund Covid 19 gecancelt. Angegebener Monat: September 2020 }, author = {Büker, Petra and Cornel, Stefanie and Glawe, Katrin and Ogrodowski, Jana}, title = {{inklud-e: Professionalität für Inklusion im Lehramtsstudium durch digital unterstützte Fallarbeit entwickeln. Angenommener Beitrag an der DGfE-Sektionstagung Schulpädagogik an der Universität Osnabrück}}, year = {2020}, } @misc{17751, author = {Peckhaus, Volker}, booktitle = {Staatslexikon der Görres-Gesellschaft}, publisher = {Freiburg}, title = {{Technikphilosophie}}, year = {2020}, } @article{17376, author = {Schöppe, Philipp and Schönherr, Sven and Chugh, Manjusha and Mirhosseini, Hossein and Jackson, Philip and Wuerz, Roland and Ritzer, Maurizio and Johannes, Andreas and Martínez-Criado, Gema and Wisniewski, Wolfgang and Schwarz, Torsten and T. Plass, Christian and Hafermann, Martin and D. Kühne, Thomas and S. Schnohr, Claudia and Ronning, Carsten}, issn = {2211-2855}, journal = {Nano Energy}, pages = {104622}, title = {{Revealing the origin of the beneficial effect of cesium in highly efficient Cu(In,Ga)Se2 solar cells}}, doi = {https://doi.org/10.1016/j.nanoen.2020.104622}, volume = {71}, year = {2020}, } @phdthesis{19947, abstract = {Ordinary differential equations (ODEs) and partial differential equations (PDEs) arise in most scientific disciplines that make use of mathematical techniques. As exact solutions are in general not computable, numerical methods are used to obtain approximate solutions. In order to draw valid conclusions from numerical computations, it is crucial to understand which qualitative aspects numerical solutions have in common with the exact solution. Symplecticity is a subtle notion that is related to a rich family of geometric properties of Hamiltonian systems. While the effects of preserving symplecticity under discretisation on long-term behaviour of motions is classically well known, in this thesis (a) the role of symplecticity for the bifurcation behaviour of solutions to Hamiltonian boundary value problems is explained. In parameter dependent systems at a bifurcation point the solution set to a boundary value problem changes qualitatively. Bifurcation problems are systematically translated into the framework of classical catastrophe theory. It is proved that existing classification results in catastrophe theory apply to persistent bifurcations of Hamiltonian boundary value problems. Further results for symmetric settings are derived. (b) It is proved that to preserve generic bifurcations under discretisation it is necessary and sufficient to preserve the symplectic structure of the problem. (c) The catastrophe theory framework for Hamiltonian ODEs is extended to PDEs with variational structure. Recognition equations for A-series singularities for functionals on Banach spaces are derived and used in a numerical example to locate high-codimensional bifurcations. (d) The potential of symplectic integration for infinite-dimensional Lie-Poisson systems (Burgers’ equation, KdV, fluid equations, . . . ) using Clebsch variables is analysed. It is shown that the advantages of symplectic integration can outweigh the disadvantages of integrating over a larger phase space introduced by a Clebsch representation. (e) Finally, the preservation of variational structure of symmetric solutions in multisymplectic PDEs by multisymplectic integrators on the example of (phase-rotating) travelling waves in the nonlinear wave equation is discussed.}, author = {Offen, Christian}, publisher = {Massey University}, title = {{Analysis of Hamiltonian boundary value problems and symplectic integration}}, year = {2020}, } @article{19973, abstract = {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.}, author = {Uhe, Benedikt and Kuball, Clara-Maria and Merklein, Marion and Meschut, Gerson}, journal = {Production Engineering}, keyword = {Self-piercing riveting, Joining technology, Rivet geometry, Multi-material design, High-strength steel, Aluminium}, pages = {417--423}, title = {{Improvement of a rivet geometry for the self-piercing riveting of high-strength steel and multi-material joints}}, doi = {10.1007/s11740-020-00973-w}, volume = {14}, year = {2020}, } @misc{18639, author = {Terfort, Tobias}, publisher = {Universität Paderborn}, title = {{Enhancing Security by Usage of Universal One-Way Hash Functions}}, year = {2020}, } @inproceedings{20115, author = {Wachsmuth, Henning and Werner, Till}, booktitle = {Proceedings of the 28th International Conference on Computational Linguistics}, title = {{Intrinsic Quality Assessment of Arguments}}, year = {2020}, } @inproceedings{20122, author = {El Baff, Roxanne and Al-Khatib, Khalid and Stein, Benno and Wachsmuth, Henning}, booktitle = {Third Workshop on Computational Modeling of People's Opinions, Personality, and Emotions in Social Media (PEOPLES 2020)}, title = {{Persuasiveness of News Editorials depending on Ideology and Personality}}, year = {2020}, } @inproceedings{3776, author = {Chen, Wei-Fan and Al-Khatib, Khalid and Wachsmuth, Henning and Stein, Benno}, booktitle = {Fourth edition of the Natural Language Processing and Computational Social Science workshop (NLP+CSS 2020)}, title = {{Analyzing Political Bias and Unfairness in News Articles at Different Levels of Granularity}}, year = {2020}, } @inproceedings{20141, author = {Heindorf, Stefan and Scholten, Yan and Wachsmuth, Henning and Ngonga Ngomo, Axel-Cyrille and Potthast, Martin}, booktitle = {Proceedings of the 28th ACM International Conference on Information and Knowledge Management (CIKM 2020)}, title = {{CauseNet: Towards a Causality Graph Extracted from the Web}}, year = {2020}, } @inproceedings{20139, author = {Spliethöver, Maximilian and Wachsmuth, Henning}, booktitle = {Proceedings of the 7th Workshop on Argument Mining (ArgMining 2020)}, title = {{Argument from Old Man's View: Assessing Social Bias in Argumentation}}, year = {2020}, } @inproceedings{20146, abstract = {Joining technology is regarded as a key technology for reducing energy consumption and CO2 imitation as well as the use of innovative materials and development of new, resource-saving products. Punch riveting is a widely used and established joining process in many sectors. The white and brown goods, electrical engineering, construction and, in particular, the automotive industry are some of the sectors mentioned here. Since the design and assessment of punch rivet components with regard to structural durability can only be carried out experimentally using prototypes due to a lack of experience and calculation concepts, the improvement of this uneconomical and time-consuming procedure is the goal of this contribution. Therefore, a numerical simulation and design method for cyclically loads punched riveted joints shall be introduced. This concept shall be based on the notch strain concept. The following steps are necessary to achieve the goal shown above: Tensile tests on all materials involved in the joint for determination of tensile strength and quasi-static stress-strain curves Estimation of the cyclic material properties from the tensile strength in order to obtain the strain-life curve and the cyclic stress-strain curve Estimation of mean stress sensitivity from the tensile strength to conduct an amplitude transformation for variable amplitude loadings. Execution of a 2D forming simulation of the joining process to determine the geometry and the stresses and degrees of deformation present in the connection Transferring the results of the forming simulation into a static-mechanical load simulation for determining the relation between the external load and the elastic-plastic strain at the critical point Estimation of the service life by means of the damage parameter Wöhler curves calculated from the strain-life curve In order to verify the simulation and calculation method, service life investigations have been carried out on punched riveted components under constant and variable amplitude load. The test results, as well as the workflow through the fatigue assessment and its accuracy in estimation the fatigue life will be shown in this contribution.}, author = {Masendorf, Lukas and Wächter, Michael and Horstmann, Stephan and Otroshi, Mortaza and Esderts, Alfons and Meschut, Gerson}, isbn = {978-3-9820591-0-5}, keyword = {punch rivet, notch strain conept, structural durability}, location = {Darmstadt, Germany}, publisher = {Deutscher Verband für Materialforschung und -prüfung e.V.}, title = {{Linear damage accumulation of self-pierce riveted joints}}, year = {2020}, } @inproceedings{17371, author = {Castenow, Jannik and Kling, Peter and Knollmann, Till and Meyer auf der Heide, Friedhelm}, booktitle = {Proceedings of the 32nd ACM Symposium on Parallelism in Algorithms and Architectures}, isbn = {9781450369350}, title = {{Brief Announcement: A Discrete and Continuous Study of the Max-Chain-Formation Problem: Slow Down to Speed up}}, doi = {10.1145/3350755.3400263}, year = {2020}, } @article{20189, abstract = {Abstract A dielectric step-index optical fiber with tube-like profile is considered, being positioned with a small gap on top of a dielectric slab waveguide. We propose a 2.5-D hybrid analytical/numerical coupled mode model for the evanescent excitation of the tube through semi-guided waves propagating in the slab at oblique angles. The model combines the directional polarized modes supported by the slab with analytic solutions for the TE-, TM-, and orbital-angular-momentum (OAM) modes of the tube-shaped fiber. Implementational details of the scheme are discussed, complemented by finite-element simulations for verification purposes. Our results include configurations with resonant in-fiber excitation of OAM modes with large orbital angular momentum and strong field enhancement.}, author = {Hammer, Manfred and Ebers, Lena and Förstner, Jens}, issn = {0306-8919}, journal = {Optical and Quantum Electronics}, keyword = {tet_topic_waveguides}, title = {{Hybrid coupled mode modelling of the evanescent excitation of a dielectric tube by semi-guided waves at oblique angles}}, doi = {10.1007/s11082-020-02595-z}, volume = {52}, year = {2020}, } @inproceedings{20191, author = {Hemsen, Paul and Hesse, Marc and Löken, Nils and Nouri, Zahra}, location = {Paderborn}, title = {{Platform-independent Reputation and Qualification System for Crowdwork}}, year = {2020}, } @inproceedings{13584, author = {Szopinski, Daniel and Schoormann, Thorsten and Kundisch, Dennis}, booktitle = {Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)}, location = {Maui, Hawaii}, title = {{Criteria as a prelude for guiding taxonomy evaluation}}, year = {2020}, } @article{15744, author = {Liêu, Minh Ly and Pelster, Matthias}, issn = {1062-9769}, journal = {The Quarterly Review of Economics and Finance}, title = {{Framing and the disposition effect in a scopic regime}}, doi = {10.1016/j.qref.2020.01.008}, year = {2020}, } @inproceedings{15826, author = {Chen, Wei-Fan and Syed, Shahbaz and Stein, Benno and Hagen, Matthias and Potthast, Martin}, booktitle = {Proceedings of the the Web Conference 2020}, pages = {1309--1319}, title = {{Abstractive Snippet Generation}}, year = {2020}, } @inproceedings{15225, author = {Poniatowski, Martin and Neumann, Jürgen}, booktitle = {Tagungsband der 15. Internationalen Tagung Wirtschaftsinformatik 2020 (WI)}, location = {Potsdam, Germany}, title = {{You Write What You Are - Exploring the Relationship between Online Reviewers' Personality Traits and Their Reviewing Behavior}}, year = {2020}, } @inproceedings{15629, abstract = {In multi-label classification (MLC), each instance is associated with a set of class labels, in contrast to standard classification where an instance is assigned a single label. Binary relevance (BR) learning, which reduces a multi-label to a set of binary classification problems, one per label, is arguably the most straight-forward approach to MLC. In spite of its simplicity, BR proved to be competitive to more sophisticated MLC methods, and still achieves state-of-the-art performance for many loss functions. Somewhat surprisingly, the optimal choice of the base learner for tackling the binary classification problems has received very little attention so far. Taking advantage of the label independence assumption inherent to BR, we propose a label-wise base learner selection method optimizing label-wise macro averaged performance measures. In an extensive experimental evaluation, we find that or approach, called LiBRe, can significantly improve generalization performance.}, author = {Wever, Marcel Dominik and Tornede, Alexander and Mohr, Felix and Hüllermeier, Eyke}, location = {Konstanz, Germany}, publisher = {Springer}, title = {{LiBRe: Label-Wise Selection of Base Learners in Binary Relevance for Multi-Label Classification}}, year = {2020}, } @article{15489, author = {Claes, Leander and Steidl, Carolin and Hetkämper, Tim and Henning, Bernd}, journal = {arXiv.org}, publisher = {Cornell University}, title = {{Estimation of acoustic wave non-linearity in ultrasonic measurement systems}}, year = {2020}, } @article{16273, abstract = {This study examines the gender gap in competitiveness in an educational setting and tests whether this gap depends on the difficulty of the task at hand. For this purpose, we administered a series of experiments during the final exam of a university course. We confronted three cohorts of undergraduate students with a set of bonus questions and the choice between an absolute and a tournament grading scheme for these questions. To test the moderating impact of task difficulty, we (randomly) varied the difficulty of the questions between treatment groups. We find that, on average, women are significantly less likely to select the tournament scheme. However, the results show that the gender gap in tournament entry is sizable when the questions are relative easy, but much smaller and statistical insignificant when the questions are difficult.}, author = {Hoyer, Britta and van Huizen, Thomas and Keijzer, Linda and Rezaei, Sarah and Rosenkranz, Stephanie and Westbrock, Bastian }, journal = {Labour Economics}, title = {{Gender, competitiveness, and task difficulty: Evidence from the field}}, doi = {10.1016/j.labeco.2020.101815}, year = {2020}, } @article{16278, abstract = {Currently, the coexistence of multiple users and devices challenges the network's ability to reliably connect them. This article proposes a novel communication architecture that satisfies the requirements of fifth-generation (5G) mobile network applications. In particular, this architecture extends and combines ultra-dense networking (UDN), multi-access edge computing (MEC), and virtual infrastructure manager (VIM) concepts to provide a flexible network of moving radio access (RA) nodes, flying or moving to areas where users and devices struggle for connectivity and data rate. Furthermore, advances in radio communications and non-orthogonal multiple access (NOMA), virtualization technologies and energy-awareness mechanisms are integrated towards a mobile UDN that not only allows RA nodes to follow the user but also enables the virtualized network functions (VNFs) to adapt to user mobility by migrating from one node to another. Performance evaluation shows that the underlying network improves connectivity of users and devices through the flexible deployment of moving RA nodes and the use of NOMA.}, author = {Nomikos, Nikolaos and Michailidis, Emmanouel T. and Trakadas, Panagiotis and Vouyioukas, Demosthenes and Karl, Holger and Martrat, Josep and Zahariadis, Theodore and Papadopoulos, Konstantinos and Voliotis, Stamatis}, issn = {2214-2096}, journal = {Vehicular Communications}, title = {{A UAV-based moving 5G RAN for massive connectivity of mobile users and IoT devices}}, doi = {10.1016/j.vehcom.2020.100250}, year = {2020}, } @article{16280, abstract = {Assigning bands of the wireless spectrum as resources to users is a common problem in wireless networks. Typically, frequency bands were assumed to be available in a stable manner. Nevertheless, in recent scenarios where wireless networks may be deployed in unknown environments, spectrum competition is considered, making it uncertain whether a frequency band is available at all or at what quality. To fully exploit such resources with uncertain availability, the multi-armed bandit (MAB) method, a representative online learning technique, has been applied to design spectrum scheduling algorithms. This article surveys such proposals. We describe the following three aspects: how to model spectrum scheduling problems within the MAB framework, what the main thread is following which prevalent algorithms are designed, and how to evaluate algorithm performance and complexity. We also give some promising directions for future research in related fields.}, author = {Li, Feng and Yu, Dongxiao and Yang, Huan and Yu, Jiguo and Karl, Holger and Cheng, Xiuzhen}, issn = {1536-1284}, journal = {IEEE Wireless Communications}, pages = {24--30}, title = {{Multi-Armed-Bandit-Based Spectrum Scheduling Algorithms in Wireless Networks: A Survey}}, doi = {10.1109/mwc.001.1900280}, year = {2020}, } @inproceedings{16285, abstract = {To decide in which part of town to open stores, high street retailers consult statistical data on customers and cities, but they cannot analyze their customers’ shopping behavior and geospatial features of a city due to missing data. While previous research has proposed recommendation systems and decision aids that address this type of decision problem – including factory location and assortment planning – there currently is no design knowledge available to prescribe the design of city center area recommendation systems (CCARS). We set out to design a software prototype considering local customers’ shopping interests and geospatial data on their shopping trips for retail site selection. With real data on 500 customers and 1,100 shopping trips, we demonstrate and evaluate our IT artifact. Our results illustrate how retailers and public town center managers can use CCARS for spatial location selection, growing retailers’ profits and a city center’s attractiveness for its citizens.}, author = {zur Heiden, Philipp and Berendes, Carsten Ingo and Beverungen, Daniel}, booktitle = {Proceedings of the 15th International Conference on Wirtschaftsinformatik}, keyword = {Town Center Management, High Street Retail, Recommender Systems, Geospatial Recommendations, Design Science Research}, location = {Potsdam}, title = {{Designing City Center Area Recommendation Systems }}, doi = {doi.org/10.30844/wi_2020_e1-heiden}, year = {2020}, } @inproceedings{16300, author = {Wolf, Verena and Bartelheimer, Christian}, booktitle = {16th International Research Conference in Service Management}, location = { La Londe les Maures}, title = {{Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis (Accepted)}}, year = {2020}, } @article{16507, author = {Goller, Michael and Harteis, Christian and Gijbels, David and Donche, Vincent}, issn = {1069-4730}, journal = {Journal of Engineering Education}, number = {2}, pages = {307--324}, title = {{Engineering students' learning during internships: Exploring the explanatory power of the job demands‐control‐support model}}, doi = {10.1002/jee.20308}, volume = {109}, year = {2020}, } @inproceedings{16204, author = {Gutperl, Sven and Bolenz, Lukas and Kriese, Friederike and Jasch, Katharina and Kenig, Eugeny and Scholl, Stephan}, location = {Berchtesgaden}, title = {{Simulation und Bewertung eines Anlagenkonzepts für Trennleistungsmessungen mit nicht-verdampfenden Komponenten}}, year = {2020}, } @misc{16571, author = {Rosenhäger, Tjard Henrik}, title = {{Nothing comes for free - Ein klassifizierender Überblick zu den Auswirkungen finanzieller Anreize auf digitalen Märkten}}, year = {2020}, } @article{16095, author = {Krimphove, Dieter}, issn = {0034-1398}, journal = {Rechtstheorie}, number = {1}, pages = {107--113}, publisher = {Duncker&Humblot}, title = {{Die „Logik“ der Überzeugungskraft}}, volume = {50}, year = {2020}, } @article{16848, author = {Javed, Muhammad Ali and Rüther, Moritz and Baumhögger, Elmar and Vrabec, Jadran}, issn = {0021-9568}, journal = {Journal of Chemical & Engineering Data}, title = {{Density and Thermodynamic Speed of Sound of Liquid Vinyl Chloride}}, doi = {10.1021/acs.jced.9b01133}, year = {2020}, } @inproceedings{16855, author = {Krauter, Stefan and Zhang, L.}, booktitle = {Tagungsband des 35. Symposiums für Photovoltaische Solarenergie, Kloster Banz, Bad Staffelstein (Deutschland)}, location = {Bad Staffelstein}, title = {{Eignung der Netzfrequenz als Instrument der Entscheidungsfindung zur Auslösung von Lastverschiebungen bei niedrigen spezifischen CO 2 -Emsissionen und EEX- Handelspreisen}}, year = {2020}, } @unpublished{16867, abstract = {In this article, we present an efficient descent method for locally Lipschitz continuous multiobjective optimization problems (MOPs). The method is realized by combining a theoretical result regarding the computation of descent directions for nonsmooth MOPs with a practical method to approximate the subdifferentials of the objective functions. We show convergence to points which satisfy a necessary condition for Pareto optimality. Using a set of test problems, we compare our method to the multiobjective proximal bundle method by M\"akel\"a. The results indicate that our method is competitive while being easier to implement. While the number of objective function evaluations is larger, the overall number of subgradient evaluations is lower. Finally, we show that our method can be combined with a subdivision algorithm to compute entire Pareto sets of nonsmooth MOPs.}, author = {Gebken, Bennet and Peitz, Sebastian}, booktitle = {arXiv:2004.11578}, title = {{An efficient descent method for locally Lipschitz multiobjective optimization problems}}, year = {2020}, } @article{16879, author = {Gilroy, Bernard Michael and Peitz, Christian}, journal = {WISU – Das Wirtschaftsstudium}, number = {1}, pages = {94}, title = {{Die Niedrigzinspolitik der Europäischen Zentralbank}}, year = {2020}, } @unpublished{16898, abstract = {Electronic structure calculations based on density-functional theory (DFT) represent a significant part of today's HPC workloads and pose high demands on high-performance computing resources. To perform these quantum-mechanical DFT calculations on complex large-scale systems, so-called linear scaling methods instead of conventional cubic scaling methods are required. In this work, we take up the idea of the submatrix method and apply it to the DFT computations in the software package CP2K. For that purpose, we transform the underlying numeric operations on distributed, large, sparse matrices into computations on local, much smaller and nearly dense matrices. This allows us to exploit the full floating-point performance of modern CPUs and to make use of dedicated accelerator hardware, where performance has been limited by memory bandwidth before. We demonstrate both functionality and performance of our implementation and show how it can be accelerated with GPUs and FPGAs.}, author = {Lass, Michael and Schade, Robert and Kühne, Thomas and Plessl, Christian}, title = {{A Submatrix-Based Method for Approximate Matrix Function Evaluation in the Quantum Chemistry Code CP2K}}, year = {2020}, } @unpublished{16747, abstract = {Let $\phi_c(G)$ be the circular flow number of a bridgeless graph $G$. In [Edge-colorings and circular flow numbers of regular graphs, J. Graph Theory 79 (2015) 1-7] it was proved that, for every $t \geq 1$, $G$ is a bridgeless $(2t+1)$-regular graph with $\phi_c(G) \in \{2+\frac{1}{t}, 2 + \frac{2}{2t-1}\}$ if and only if $G$ has a perfect matching $M$ such that $G-M$ is bipartite. This implies that $G$ is a class 1 graph. For $t=1$, all graphs with circular flow number bigger than 4 are class 2 graphs. We show for all $t \geq 1$, that $2 + \frac{2}{2t-1} = \inf \{ \phi_c(G)\colon G \text{ is a } (2t+1) \text{-regular class } 2 \text{ graph}\}$. This was conjectured to be true in [Edge-colorings and circular flow numbers of regular graphs, J. Graph Theory 79 (2015) 1-7]. Moreover we prove that $\inf\{ \phi_c(G)\colon G $ is a $ (2t+1)$-regular class $1$ graph with no perfect matching whose removal leaves a bipartite graph$ \} = 2 + \frac{2}{2t-1}$. We further disprove the conjecture that every $(2t+1)$-regular class $1$ graph has circular flow number at most $2+\frac{2}{t}$.}, author = {Mattiolo, Davide and Steffen, Eckhard}, booktitle = {arXiv:2001.02484}, title = {{Edge colorings and circular flows on regular graphs}}, year = {2020}, } @inproceedings{16800, author = {Bartelheimer, Christian and Wolf, Verena and Langhorst, Nico and Seegers, Florian}, booktitle = {Proceedings of the 15th International Conference on Design Science Research in Information Systems and Technology}, title = {{Designing Digital Community Service Platforms for Crowd-Based Services in Urban Areas}}, year = {2020}, } @inproceedings{3878, author = {El Baff, Roxanne and Wachsmuth, Henning and Al-Khatib, Khalid and Stein, Benno}, booktitle = {Proceedings of 58th Annual Meeting of the Association for Computational Linguistics}, editor = {Tsujii, Junichi and Hajic, Jan}, pages = {553--564}, title = {{Analyzing the Persuasive Effect of Style in News Editorial Argumentation}}, year = {2020}, } @article{16956, author = {Chatwell, René Spencer and Vrabec, Jadran}, issn = {0021-9606}, journal = {The Journal of Chemical Physics}, keyword = {pc2-ressources}, title = {{Bulk viscosity of liquid noble gases}}, doi = {10.1063/1.5142364}, year = {2020}, } @inbook{16963, author = {Kuklinski, Christiane and Leis, Elena and Liebendörfer, Michael and Hochmuth, Reinhard}, booktitle = {Beiträge zum {Mathematikunterricht} 2019 53. {Jahrestagung} der {Gesellschaft} für {Didaktik} der {Mathematik}.}, editor = {Frank, Andreas and Krauss, Stefan and Binder, Karin}, publisher = {WTM-Verlag}, title = {{Erklärung von Mathematikleistung im Ingenieursstudium}}, year = {2020}, } @inproceedings{17055, abstract = {Understanding a new literature corpus can be a grueling experience for junior scholars. Nevertheless, corresponding guidelines have not been updated for decades. We contend that the traditional strategy of skimming all papers and reading selected papers afterwards needs to be revised. Therefore, we design a new strategy that guides the overall exploratory process by prioritizing influential papers for initial reading, followed by skimming the remaining papers. Consistent with schemata theory, starting with in-depth reading allows readers to acquire more substantial prior content schemata, which are representa-tive for the literature corpus and useful in the following skimming process. To this end, we develop a prototype that identifies the influential papers from a set of PDFs, which is illustrated in a case study in the IT business value domain. With the new strategy, we envision a more efficient process of exploring unknown literature corpora.}, author = {Wagner, Gerit and Empl, Philipp and Schryen, Guido}, booktitle = {28th European Conference on Information Systems (ECIS 2020)}, keyword = {Reading and skimming, Exploring literature, Review methodology, Design science research, Schemata theory}, title = {{Designing a Novel Strategy for Exploring Literature Corpora}}, year = {2020}, } @article{17067, author = {Speiser, Eugen and Esser, Norbert and Halbig, Benedikt and Geurts, Jean and Schmidt, Wolf Gero and Sanna, Simone}, issn = {0167-5729}, journal = {Surface Science Reports}, number = {1}, title = {{Vibrational Raman spectroscopy on adsorbate-induced low-dimensional surface structures}}, doi = {10.1016/j.surfrep.2020.100480}, volume = {75}, year = {2020}, } @article{17074, author = {Gries, Thomas and Grundmann, Rainer}, issn = {1363-6669}, journal = {Review of Development Economics}, pages = {644--667}, title = {{Modern sector development: The role of exports and institutions in developing countries}}, doi = {10.1111/rode.12663}, year = {2020}, } @article{16944, author = {Schlickriede, Christian and Kruk, Sergey S. and Wang, Lei and Sain, Basudeb and Kivshar, Yuri and Zentgraf, Thomas}, issn = {1530-6984}, journal = {Nano Letters}, number = {6}, pages = {4370–4376}, title = {{Nonlinear imaging with all-dielectric metasurfaces}}, doi = {10.1021/acs.nanolett.0c01105}, volume = {20}, year = {2020}, }
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