Universität zu Köln

2024

Steuernagel, Lukas ORCID: 0000-0003-0043-1436 (2024). An integrated single cell reference atlas of the mouse and human hypothalamus. Thesis Abstract, Universität zu Köln.

2022

Chandra Kruse, Leona ORCID: 0000-0002-9001-3870 and Drechsler, Katharina ORCID: 0000-0003-3089-0748 (2022). Digitalization of multisensory collective activity: The case of virtual wine tasting. Journal of Information Technology, 4 (37). HeinOnline. ISSN 1464-3693

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Grisold, Thomas, Gau, Michael and Seidel, Stefan (2022). Digital Infrastructure Evolution: A Digital Trace Data Study. In: Proceedings of the International Conference on Information Systems, AIS Association for Information Systems.

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Grisold, Thomas and Seidel, Stefan (2022). Cascading Digital Options and the Evolution of Digital Infrastructures: The Case of IIoT. In: Proceedings of the International Conference on Information Systems, AIS Association for Information Systems.

Herrmann, Nils ORCID: 0000-0002-6468-9180 (2022). A Rigorously Spin-Adapted and Spin-Complete Coupled Cluster Method for Arbitrary High-Spin Open-Shell States. Thesis Abstract, Universität zu Köln.

Jabbari, Mohammad, Recker, Jan C. ORCID: 0000-0002-2072-5792, Green, Peter and Werder, Karl ORCID: 0000-0001-8481-1596 (2022). How do Individuals Understand Multiple Conceptual Modeling Scripts? Journal of the Association for Information Systems. Association for Information Systems. ISSN 1536-9323

Reibenspiess, Victoria ORCID: 0000-0001-7954-4083, Drechsler, Katharina ORCID: 0000-0003-3089-0748, Eckhardt, Andreas and Wagner, Heinz-Theo (2022). Tapping into the wealth of employees’ ideas: Design principles for a digital intrapreneurship platform. Information and Management, 59 (3). p. 103287. Elsevier. ISSN 0378-7206

Schäfer, Mathias, Schneider, Johannes, Drechsler, Katharina ORCID: 0000-0003-3089-0748 and vom Brocke, Jan (2022). AI Governance: Are Chief AI Officers and AI Risk Officers needed? In: Proceedings of the 30th European Conference on Information Systems, AIS Association for Information Systems.

2021

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Reibenspiess, Victoria, Eckhardt, Andreas and Wagner, Heinz Theo (2021). Innovation champions' activities and influences in organisations - A literature review. International Journal of Innovation Management, 25 (6). p. 2150066. World Scientific Publ.. ISSN 1363-9196

Eide, Øyvind ORCID: 0000-0002-7766-6287 (2021). Modelling and networks in digital humanities. In: Routledge International Handbook of Research Methods in Digital Humanities, pp. 91-108. Routledge. ISBN 9781138363021

Eide, Øyvind ORCID: 0000-0002-7766-6287 and Schubert, Zoe (2021). Seeing the Landscape Through Textual and Graphical Media Products. In: Beyond Media Borders, Volume 2 : Intermedial Relations among Multimodal Media, pp. 175-209. Cham: Palgrave. ISBN 978-3-030-49682-1

Hovestadt, Christian ORCID: 0000-0002-6448-4660, Recker, Jan C. ORCID: 0000-0002-2072-5792, Richter, Janek ORCID: 0000-0003-3189-9357 and Werder, Karl ORCID: 0000-0001-8481-1596 (2021). Toward a New Wave of Digital Responses to COVID-19. In: Digital Responses to COVID-19, pp. 145-156. Springer, Cham.

Liu, Jia ORCID: 0000-0001-9525-2478 (2021). Digital Object Identifier (DOI) and DOI services : an overview. Libri -International Journal of Libraries and Information Studies, 71 (4). pp. 349-360. Berlin: Walter de Gruyter GmbH. ISSN 0024-2667

Liu, Jia ORCID: 0000-0001-9525-2478 (2021). Digital Object Identifier (DOI) under the Context of Research Data Librarianship. Journal of eScience Librarianship, 10 (2). Boston: Lamar Soutter Library, University of Massachusetts Medical School. ISSN 2161-3974

Olari, Viktoriya ORCID: 0000-0002-5113-6624, Cvejoski, Kostadin and Eide, Øyvind ORCID: 0000-0002-7766-6287 (2021). Introduction to machine learning with robots and playful learning. In: Proceedings from the 35th AAAI Conference on Artificial Intelligence, February 2–9, 2021, California: AAAI Press. ISBN 978-1-57735-866-4

Patil, Umesh and Lago, Sol (2021). Prediction advantage as retrieval interference: an ACT-R model of processing possessive pronouns. In: Virtual MathPsych/ICCM 2021, 01.07.2021 - 12.07.2021, Virtual. Poster.

Zeiss, Roman ORCID: 0000-0002-1366-3095, Hovestadt, Christian ORCID: 0000-0002-6448-4660 and Chasin, Friedrich (2021). Ensembles of Human and Digital Sensors: Faithful Representations Through Hybrid Sensing Systems. In: Proceedings of the 42nd International Conference on Information Systems (ICIS), Austin, TX, USA: Association for Information Systems.

2020

Drechsler, Katharina ORCID: 0000-0003-3089-0748 (2020). Information Systems executives: A review and research agenda. In: Proceedings of the 28th European Conference on Information Systems, pp. 1-16. AIS Association for Information Systems.

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Gregory, Robert Wayne, Wagner, Heinz Theo and Tumbas, Sanja (2020). At the crossroads between digital innovation and digital transformation. Communications of the Association for Information Systems, 47 (1). pp. 521-538. Association for Information Systems. ISSN 1529-3181

Feldman, Dan, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2020). Turning Big Data Into Tiny Data: Constant-Size Coresets for k-Means, PCA, and Projective Clustering. SIAM J. Comput., 49 (3). pp. 601-657. Philadelphia, Pa.: SIAM. ISSN 0097-5397

Kutscher, Nadia ORCID: 0000-0001-9081-2069 and Bischof, Jacqueline (2020). Ergebnisse der wissenschaftlichen Begleitung des Projekts „Medienbildung in der Kita“ : Abschlussbericht. Project Report.

Lee, No-San, Mazur, Philipp Gabriel, Hovestadt, Christian ORCID: 0000-0002-6448-4660 and Schoder, Detlef (2020). Designing a State-of-the-Art Information System for Air Cargo Palletizing. In: 15th International Conference on Design Science Research in Information Systems and Technology, pp. 382-387. Cham: Springer. ISBN 978-3-030-64823-7

Zeiss, Roman ORCID: 0000-0002-1366-3095, Ixmeier, Anne, Recker, Jan ORCID: 0000-0002-2072-5792 and Kranz, Johann ORCID: 0000-0003-3722-027X (2020). Mobilising information systems scholarship for a circular economy: Review, synthesis, and directions for future research. Information Systems Journal. ISSN 1350-1917

2019

Bekos, Michael A., Foerster, Henry, Gronemann, Martin ORCID: 0000-0003-2565-090X, Mchedlidze, Tamara, Montecchiani, Fabrizio ORCID: 0000-0002-0543-8912, Raftopoulou, Chrysanthi and Ueckerdt, Torsten (2019). PLANAR GRAPHS OF BOUNDED DEGREE HAVE BOUNDED QUEUE NUMBER. SIAM J. Comput., 48 (5). S. 1487 - 1503. PHILADELPHIA: SIAM PUBLICATIONS. ISSN 1095-7111

Bercea, Ioana Oriana, Groß, Martin, Khuller, Samir, Kumar, Aounon, Rösner, Clemens, Schmidt, Daniel R. ORCID: 0000-0001-7381-912X and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2019). On the Cost of Essentially Fair Clusterings. In: Approximation, randomization, and combinatorial optimization: algorithms and techniques : APPROX/RANDOM 2019, September 20-22, 2019, Massachusetts Institute of Technology, Cambridge, MA, USA, 18:1-18:22. Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. ISBN 9783959771252

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Reibenspiess, Victoria, Eckhardt, Andreas and Wagner, Heinz-Theo (2019). The changing roles of innovation actors and organizational antecedents in the digital age. In: Proceedings of the 14th International Conference on Wirtschaftsinformatik, pp. 802-816. Universität Siegen. ISBN 978-3-96182-063-4

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Wagner, Heinz-Theo and Reibenspiess, Victoria (2019). Risk and return of chief digital officers’ appointment – An event study. In: Proceedings of the 40th International Conference on Information Systems, AIS Association for Information Systems. ISBN 978-0-9966831-9-7

Gregory, Robert W, Wagner, Heinz-Theo, Tumbas, Sanja and Drechsler, Katharina ORCID: 0000-0003-3089-0748 (2019). At the crossroads between digital innovation and digital transformation. In: Proceedings of the 40th International Conference on Information Systems, AIS Association for Information Systems. ISBN 978-0-9966831-9-7

Großwendt, Anna, Röglin, Heiko and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2019). Analysis of Ward's Method. In: Proceedings of the Thirtieth Annual ACM-SIAM Symposium on Discrete Algorithms, pp. 2939-2957. New York: SIAM. ISBN 978-1-61197-548-2

Hund, Axel, Drechsler, Katharina ORCID: 0000-0003-3089-0748 and Reibenspiess, Victoria (2019). The current state and future opportunities of digital innovation: A literature review. In: Proceedings of the 27th European Conference on Information Systems, AIS Association for Information Systems. ISBN 978-1-7336325-0-8

Jünger, Michael and Mallach, Sven ORCID: 0000-0001-5335-0678 (2019). Odd-Cycle Separation for Maximum Cut and Binary Quadratic Optimization. In: Lipics, 63:1-63:13. Dagstuhl Publishing.

Mainka, Roland Michael (2019). Maschinelles Lernen zur Analyse und Simulation von Finanzzeitreihen. Thesis Abstract, Universität zu Köln.

Mallach, Sven ORCID: 0000-0001-5335-0678 (2019). A Natural Quadratic Approach to the Generalized Graph Layering Problem. In: Lecture Notes in Computer Science}, pp. 532-544. Springer.

Reibenspiess, Victoria, Drechsler, Katharina ORCID: 0000-0003-3089-0748 and Eckhardt, Andreas (2019). A work model for employee-driven innovation in public organizations. In: Proceedings of the 27th European Conference on Information Systems, pp. 1-15. AIS Association for Information Systems. ISBN 978-1-7336325-0-8

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2019). Katrin Tiidenberg: Selfies: Why We Love (and Hate) Them. Medienwissenschaft (3). pp. 329-330.

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2019). Reihenrezension: Digitale Bildkulturen. Medienwissenschaft (3). pp. 335-338.

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2019). Robert Hariman, John Louis Lucaites: The Public Image: Photography and Civic Spectatorship. Medienwissenschaft (2). pp. 182-183.

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2019). Sammelrezension: Celebrity Culture Online. Medienwissenschaft (2). pp. 208-212.

Schmidt, Melanie ORCID: 0000-0003-4856-3905, Schwiegelshohn, Chris and Sohler, Christian (2019). Fair Coresets and Streaming Algorithms for Fair k-means. In: Approximation and online algorithms ; 17th international workshop, WAOA 2019, Munich, Germany, September 12-13, 2019 : revised selected papers, pp. 232-251. Cham: Springer. ISBN 978-3-030-39479-0

Spisla, Christiane (2019). Compaction of Orthogonal and Hierarchical Graph Drawings Using Constraint Graphs and Minimum Cost Flows. Thesis Abstract, Universität zu Köln.

Zeiss, Roman ORCID: 0000-0002-1366-3095 (2019). Agent-based Modelling and Simulation of Circular Economy Scenarios. In: Policy, Awareness, Sustainability and Systems (PASS) 2019, 26 Juli 2019, Köln. Speech.

Zeiss, Roman ORCID: 0000-0002-1366-3095 (2019). Contribution of Information Systems to the Circular Economy in the Digital Age: Preliminary Discussion of Results of a Systematic Literature Review. In: Smart Cities/Smart Regions – Technische, wirtschaftliche und gesellschaftliche Innovationen : Konferenzband zu den 10. BUIS-Tagen, pp. 765-778. Wiesbaden: Springer Vieweg. ISBN 978-3-658-25209-0

Zeiss, Roman ORCID: 0000-0002-1366-3095 (2019). Digitalisierung und Circular Packaging: Trends, Herausforderungen, Chancen. In: PwC Circular-Packaging-Workshop, 24. Juli 2019, Frankfurt am Main. Speech.

Zeiss, Roman ORCID: 0000-0002-1366-3095 (2019). Information Systems for a Circular Economy: From Linear Optimization to Circular Innovation. In: 2. empto talk, 03. Dez. 2019, Cologne. Speech.

2018

Apke, Alexander (2018). On representing graphs with unit intervals. Thesis Abstract, Universität zu Köln.

Barzen, Johanna ORCID: 0000-0001-8397-7973, Blumtritt, Jonathan ORCID: 0000-0002-1438-379X, Breitenbücher, Uwe ORCID: 0000-0002-8816-5541, Kronenwett, Simone, Leymann, Frank ORCID: 0000-0002-9123-259X, Mathiak, Brigitte ORCID: 0000-0003-1793-9615 and Neuefeind, Claes (2018). SustainLife - Erhalt lebender, digitaler Systeme für die Geisteswissenschaften. In: Kritik der digitalen Vernunft ; Konferenzabstracts zur 5. Jahrestagung der Digital Humanities im deutschsprachigen Raum (DHd 2018), pp. 471-474. Köln: ISBN 978-3-946275-02-2

Blumtritt, Jonathan ORCID: 0000-0002-1438-379X, Helling, Patrick ORCID: 0000-0003-4043-165X, Mathiak, Brigitte ORCID: 0000-0003-1793-9615, Rau, Felix ORCID: 0000-0003-4167-0601 and Witt, Andreas ORCID: 0000-0002-0299-5713 (2018). Forschungsdaten aus den Geisteswissenschaften an der Universität zu Köln. o-bib: Das offene Bibliotheksjournal, 5 (3). pp. 104-117. Erlangen: VDB. ISSN 2363-9814

Briel, Frederik von, Recker, Jan C. ORCID: 0000-0002-2072-5792 and Davidsson, Per ORCID: 0000-0002-6363-1382 (2018). Not all digital venture ideas are created equal: Implications for venture creation processes. Journal of Strategic Information Systems, 27 (4). p. 278. Elsevier B.V.. ISSN 0963-8687

Böhnlein, Toni (2018). Algorithmic Decision-Making in Multi-Agent Systems: Votes and Prices. Thesis Abstract, Universität zu Köln.

Caria, Federico and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2018). Minimal Functionality for Digital Scholarly Editions. In: Digital Cultural Heritage, pp. 350-363. Cham: Springer. ISBN 978-3-319-75825-1 ; 978-3-319-75826-8

Degirmenci, Kenan ORCID: 0000-0002-4046-4526 and Recker, Jan C. ORCID: 0000-0002-2072-5792 (2018). Creating environmental sensemaking through green IS: An experimental study on eco-nudging paper printing behavior. In: AMCIS 2018 proceedings, New Orleans, La: AIS Electronic Library (AISeL). ISBN 978-0-9966831-6-6

Drechsler, Katharina ORCID: 0000-0003-3089-0748, Hund, Axel and Wagner, Heinz-Theo (2018). Championing digital innovation success: The role of CDOs. In: Proceedings of the 22nd Pacific Asia Conference on Information Systems, AIS Association for Information Systems. ISBN 978-4-902590-83-8

Groß, Martin, Gupta, Anupam, Kumar, Amit, Matuschke, Jannik, Schmidt, Daniel R. ORCID: 0000-0001-7381-912X, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Verschae, José (2018). A Local-Search Algorithm for Steiner Forest. In: 9th Innovations in Theoretical Computer Science Conference (ITCS 2018), 31:1-31:17. Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. ISBN 978-3-95977-060-6

Helling, Patrick ORCID: 0000-0003-4043-165X, Blumtritt, Jonathan ORCID: 0000-0002-1438-379X and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2018). Der Beratungs-Workflow des Data Center for the Humanities an der Universität zu Köln. o-bib: Das offene Bibliotheksjournal (4). pp. 248-261. Erlangen: VDB. ISSN 2363-9814

Helling, Patrick ORCID: 0000-0003-4043-165X, Moeller, Katrin ORCID: 0000-0003-4090-5667 and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2018). Forschungsdatenmanagement in den Geisteswissenschaften - der Dienstekatalog der AG-Datenzentren des Verbands "Digital Humanities im deutschsprachigen Raum" (DHd). ABI-Technik, 38 (3). pp. 251-261. Berlin: De Gruyter. ISSN 0720-6763

Juenger, Michael, Mutzel, Petra ORCID: 0000-0001-7621-971X and Spisla, Christiane (2018). More Compact Orthogonal Drawings by Allowing Additional Bends. Information, 9 (7). BASEL: MDPI. ISSN 2078-2489

Kim, Jun-Gyu (2018). On experience-based learning for combinatorial optimization problems. Thesis Abstract, Universität zu Köln.

Linßen, Stefan, Basten, Dirk and Richter, Janek ORCID: 0000-0003-3189-9357 (2018). Antecedents and Consequences of Time Pressure in Scrum Projects: Insights from a Qualitative Study. In: Hawaii International Conference on System Sciences 2018 (HICSS 51) : 2-6 January 2018, Waikoloa Village , Hawaii: HCISS.

Mallach, Sven ORCID: 0000-0001-5335-0678 (2018). Compact linearization for binary quadratic problems subject to assignment constraints. 4OR-Q. J. Oper. Res., 16 (3). S. 295 - 310. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1614-2411

Mallach, Sven ORCID: 0000-0001-5335-0678 (2018). Improved mixed-integer programming models for the multiprocessor scheduling problem with communication delays. J. Comb. Optim., 36 (3). S. 871 - 896. DORDRECHT: SPRINGER. ISSN 1573-2886

Mallach, Sven (2018). Linear Ordering Based MIP Formulations for the Vertex Separation or Pathwidth Problem. Journal of Discrete Algorithms. Elsevier.

Mallach, Sven ORCID: 0000-0001-5335-0678 (2018). Linear ordering based MIP formulations for the vertex separation or pathwidth problem. J. Discret. Algorithms, 52-53. S. 156 - 168. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1570-8675

Matthiae, Marc and Richter, Janek ORCID: 0000-0003-3189-9357 (2018). Industry 4.0-Induced Change Factors and the Role of Organizational Agility. In: Twenty-Sixth European Conference on Information Systems (ECIS2018), Portsmouth, UK, 23 June 2018 - 28 June 2018,

Rau, Felix ORCID: 0000-0003-4167-0601 (2018). Forschungsdatenmanagement in den Geisteswissenschaften an der Universität zu Köln. o-bib. Das offene Bibliotheksjournal, 5 (3). pp. 104-117. München: VDB. ISSN 2363-9814

Reibenspiess, Victoria, Drechsler, Katharina ORCID: 0000-0003-3089-0748, Eckhardt, Andreas and Wagner, Heinz Theo (2018). Enabling innovation champions in organizations – Results of a systematic literature analysis. In: Proceedings of the 51st Hawaii International Conference on System Sciences, pp. 4161-4170. AIS Association for Information Systems. ISBN 978-0-9981331-1-9

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2018). Mirko Tobias Schäfer, Karin van Es (Hg.): The Datafied Society: Studying Culture through Data. Medienwissenschaft (2-3). pp. 317-318.

Rösner, Clemens and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2018). Privacy Preserving Clustering with Constraints. In: 45th International Colloquium on Automata, Languages, and Programming (ICALP 2018), 96:1-96:14. Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. ISBN 978-3-95977-076-7

Süllwold, Christian, Basten, Dirk and Richter, Janek ORCID: 0000-0003-3189-9357 (2018). Does the Approach Matter? A Qualitative Study on Differences Concerning Time Pressure in Agile and Sequential Information System Projects. In: Twenty-Sixth European Conference on Information Systems (ECIS2018), Portsmouth, UK, 23 June 2018 - 28 June 2018,

Weingarth, Janina, Richter, Janek ORCID: 0000-0003-3189-9357 and Rosenkranz, Christoph ORCID: 0000-0003-4286-4176 (2018). IT-enabled Enterprise Agility and Environmental Turbulence - a Configurational Literature Review. In: Bridging the Internet of People, Data, and Things : 39th International Conference on Information Systems (ICIS 2018) : San Francisco, California, USA, 13-16 December 2018,

2017

Dulisch, Nadine ORCID: 0000-0003-4227-8441 and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2017). Towards finding animal replacement methods. In: Research and Advanced Technology for Digital Libraries, pp. 595-598. Cham: Springer. ISBN 978-3-319-67007-2 ; 978-3-319-67008-9

Gruettner, Arne, Richter, Janek ORCID: 0000-0003-3189-9357 and Basten, Dirk (2017). Explaining the Role of Service-oriented Architecture for Cyber-physical Systems by Establishing Logical Links. In: 25th European Conference on Information Systems, ECIS 2017 : information systems for a smart, substainable and inclusive world, June 5-10, 2017, Guimarães, Portugal, proceedings, pp. 1853-1868. Guimarães, Portugal: AIS.

Karimzadeh, Arian, Richter, Janek ORCID: 0000-0003-3189-9357, Basten, Dirk and Michalik, Bjoern (2017). Acceptance and Use of Interactive Whiteboards in Schools: The Teachers’ Point of View. In: International Conference on Information Systems (ICIS),

Kronenwett, Simone and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2017). A Survey on Research Data at the Faculty of Arts and Humanities of the University of Cologne. In: Digital Humanities 2017 Conference Abstracts, 8.-11. April 2017, Montreal. Paper.

Lee, Euiwoong, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Wright, John (2017). Improved and simplified inapproximability for k-means. Information processing letters, 120. pp. 40-43. Amsterdam: Elsevier. ISSN 1872-6119

Mallach, Sven ORCID: 0000-0001-5335-0678 (2017). Linear Ordering Based MIP Formulations for the Vertex Separation or Pathwidth Problem. In: Combinatorial Algorithms : 28th International Workshop, IWOCA 2017, Newcastle, NSW, Australia, July 17-21, 2017, Revised Selected Papers, pp. 327-340. Springer.

Recker, Jan C. ORCID: 0000-0002-2072-5792, Holten, Roland, Hummel, Markus and Rosenkranz, Christoph ORCID: 0000-0003-4286-4176 (2017). How agile practices impact customer responsiveness and development success: A field study. Project Management Journal, 48 (2). pp. 99-121. Hoboken, NJ: Wiley. ISSN 8756-9728

Roßmehl, Max, Leider, Yannick, Redman, Monika, Rütten, Marco, Hovestadt, Christian ORCID: 0000-0002-6448-4660, Basten, Dirk and Werner, Michael (2017). Need for a Smart Solution: Developing a Sourcing Strategy for a Policy System at a German Insurance Company. Journal of Information Technology Teaching Cases, 7. pp. 9-16. London: Sage. ISSN 2043-8869

2016

Bekos, Michael A. ORCID: 0000-0002-3414-7444, Gronemann, Martin ORCID: 0000-0003-2565-090X and Raftopoulou, Chrysanthi N. (2016). Two-Page Book Embeddings of 4-Planar Graphs. Algorithmica, 75 (1). S. 158 - 186. NEW YORK: SPRINGER. ISSN 1432-0541

Blömer, Johannes, Lammersen, Christiane, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2016). Theoretical Analysis of the k-Means Algorithm - A Survey. In: Algorithm Engineering - Selected Results and Surveys, pp. 81-116. Cham: Springer. ISBN 978-3-319-49487-6

Cacchiani, Valentina, Juenger, Michael, Liers, Frauke, Lodi, Andrea and Schmidt, Daniel R. ORCID: 0000-0001-7381-912X (2016). Single-commodity robust network design with finite and Hose demand sets. Math. Program., 157 (1). S. 297 - 343. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646

Gupta, Anupam, Guruganesh, Guru and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2016). Approximation Algorithms for Aversion k-Clustering via Local k-Median. In: 43rd International Colloquium on Automata, Languages, and Programming (ICALP 2016), 66:1-66:13. Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. ISBN 978-3-95977-013-2

Hiebel, Gerald, Doerr, Martin and Eide, Øyvind ORCID: 0000-0002-7766-6287 (2016). CRMgeo: A spatiotemporal extension of CIDOC-CRM. International Journal on Digital Libraries. pp. 271-279. Springer. ISSN 1432-1300

Juenger, Michael and Mallach, Sven ORCID: 0000-0001-5335-0678 (2016). An integer programming approach to optimal basic block instruction scheduling for single-issue processors. Discret. Optim., 22. S. 37 - 66. AMSTERDAM: ELSEVIER. ISSN 1873-636X

Richter, Janek ORCID: 0000-0003-3189-9357 and Basten, Dirk (2016). In Search of Explanations: Conceptualizing the Relationship between Service-oriented Architecture and Organizational Agility. In: 37th International Conference on Information Systems (ICIS 2016) : Dublin, Ireland, 11-14 December 2016, pp. 3821-3838. Red Hook, NY: Curran. ISBN 9781510838376

Richter, Janek ORCID: 0000-0003-3189-9357, Lins, Sebastian, Wilms, Benjamin, Linden, Robert and Basten, Dirk (2016). The Relation between Usage of Mobile Technologies and Organizational Agility: A Survey among IT Managers. In: Proceedings of the 20th Pacific Asia Conference on Information Systems (PACIS 2016), pp. 1-14. ISBN 9789860491029

Runge, Evelyn ORCID: 0000-0001-9622-2393 (2016). Ulla Autenrieth: Die Bilderwelten der Social Network Sites: Bildzentrierte Darstellungsstrategien, Freundschaftskommunikation und Handlungsorientierungen von Jugendlichen auf Facebook und Co. Medienwissenschaft (1). pp. 107-109.

Weber, Andreas ORCID: 0000-0002-3285-7653 and Piesche, Claudia (2016). Requirements on Long-Term Accessibility and Preservation of Research Results with Particular Regard to Their Provenance. ISPRS International Journal of Geo-Information, 5 (4). p. 49. ISSN 2220-9964

2015

Beleggia, Filippo (2015). Innovative strategies for gene identification and functional analysis of progeria syndromes. Thesis Abstract, Universität zu Köln.

Boltes, Maik (2015). Automatische Erfassung präziser Trajektorien in Personenströmen hoher Dichte. Thesis Abstract, Universität zu Köln.

Failmezger, Henrik (2015). Advanced phenotyping methods for high-throughput imaging. Thesis Abstract, Universität zu Köln.

Kappmeier, Jan-Philipp W., Schmidt, Daniel R. ORCID: 0000-0001-7381-912X and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2015). Solving k-means on High-Dimensional Big Data. In: Experimental Algorithms : 14th International Symposium, SEA 2015, Paris, France, June 29 – July 1, 2015, Proceedings, pp. 259-270. Cham: Springer. ISBN 978-3-319-20085-9

Kern, Dagmar ORCID: 0000-0003-1794-625X and Mathiak, Brigitte ORCID: 0000-0003-1793-9615 (2015). Are there any Differences in Data Set Retrieval compared to well-known Literature Retrieval? In: Research and Advanced Technology for Digital Libraries, pp. 197-208. Cham: Springer. ISBN 978-3-319-24591-1 ; 978-3-319-24592-8

Lammersen, Christiane, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2015). Probabilistic k-Median Clustering in Data Streams. Theory of computing systems, 56 (1). pp. 251-290. New York: Springer. ISSN 1432-4350

Ludes, Peter, Stommel, Martin and Herzog, Otthein (2015). Algorithms of Power. Detecting Key Visuals of Heads of State on Screens. In: Kultur und Informatik: Cross Media, pp. 185-196. Glückstadt: vwh. ISBN 9783864880827

Mallach, Sven ORCID: 0000-0001-5335-0678 (2015). More General Optimal Offset Assignment. Leibniz Transactions on Embedded Systems, 2 (1). 02-1-02-18. Dagstuhl Publishing, Germany.

Mathiak, Brigitte ORCID: 0000-0003-1793-9615 and Boland, Katarina ORCID: 0000-0003-2958-9712 (2015). Challenges in Matching Dataset Citation Strings to Datasets in Social Science. D-Lib Magazine, 21 (1/2). Reston: Corporation for National Research Initiatives. ISSN 1082-9873

Oversberg, Andrea (2015). On Square Roots of Graphs. Thesis Abstract, Universität zu Köln.

Weil, Vera Sharon (2015). On cliques, colorings, and the maximum degree in graphs. Thesis Abstract, Universität zu Köln.

2014

Eymann, Torsten, Kundisch, Dennis, Recker, Jan C. ORCID: 0000-0002-2072-5792, Bernstein, Abraham, Gebauer, Judith, Günther, Oliver, Ketter, Wolfgang, Mühlen, Michael, zur and Riemer, Kai (2014). Should I stay or should I go? The challenges and opportunities of moving between university systems. Business & Information Systems Engineering, 6 (2). pp. 115-126. Wiesbaden: Springer Gabler. ISSN 1867-0202

Feld, Dustin, Jünger, Michael, Mallach, Sven ORCID: 0000-0001-5335-0678 and Soddemann, Thomas (2014). Hardware-Aware Automatic Code-Transformation to Support Compilers in Exploiting the Multi-Level Parallel Potential of Modern CPUs. In: Proceedings of the 2015 International Workshop on Code Optimisation for Multi and Many Cores (COSMIC), 2:1-2:10. ACM.

Mallach, Sven ORCID: 0000-0001-5335-0678 and Castañeda, Roberto (2014). Optimal general offset assignment. In: Proceedings of the 17th International Workshop on Software and Compilers for Embedded Systems - SCOPES '14, pp. 50-59. ACM.

Richter, Janek ORCID: 0000-0003-3189-9357 (2014). Explaining the Influence of Information Systems on Organizational Agility. In: Building a better world through information systems : International Conference on Information Systems (ICIS 2014) : Doctoral Consortium, 12 December 2014, Auckland, New Zealand. Paper.

Richter, Janek ORCID: 0000-0003-3189-9357 and Basten, Dirk (2014). Applications of the Viable Systems Model in IS Research -- A Comprehensive Overview and Analysis. In: 47th Hawaii International Conference on System Sciences (HICSS 2014) : Waikoloa, Hawaii, USA, 6 - 9 January 2014; [proceedings], pp. 4589-4598. Piscataway, NJ: IEEE. ISBN 9781479925056

Richter, Janek ORCID: 0000-0003-3189-9357 and Basten, Dirk (2014). Exploring the Influence of Service-oriented Architectures on Organizational Agility – A Case Study. In: ICIS 2014, Building a Better World through Information Systems, International Conference on Information Systems, Auckland, NZ, Dec 14-17, 2014, pp. 3204-3215. Curran: Red Hook, NY. ISBN 978-1-63439-694-3

Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2014). Kernmengen und Datenstromalgorithmen für das k-means Problem und verwandte Zielfunktionen im Clustering. In: Ausgezeichnete Informatikdissertationen 2014, pp. 261-270. Bonn: Gesellschaft für Informatik e.V. (GI). ISBN 978-3-88579-419-6

Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Skutella, Martin (2014). Earliest arrival flows in networks with multiple sinks. Discrete applied mathematics, 164. pp. 320-327. Amsterdam: Elsevier. ISSN 0166-218X

Steffes-lai, Daniela (2014). Approximation Methods for High Dimensional Simulation Results - Parameter Sensitivity Analysis and Propagation of variations for Process Chains. Thesis Abstract, Universität zu Köln.

Ziegelmayer, Dominique (2014). Character n-gram-based sentiment analysis. Thesis Abstract, Universität zu Köln.

vom Brocke, Jan, Schmiedel, Theresa, Recker, Jan C. ORCID: 0000-0002-2072-5792, Trkman, Peter, Mertens, Willem and Viaene, Stijn (2014). Class notes : 10 principles of good BPM. BPTrends : BPM analysis, opinion and insight, 12 (10). pp. 1-12.

2013

Feldman, Dan, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2013). Turning big data into tiny data: Constant-size coresets for k-means, PCA and projective clustering. In: Proceedings of the 2013 Annual ACM-SIAM Symposium on Discrete Algorithms, pp. 1434-1453. New York: SIAM. ISBN 978-1-61197-251-1

Fichtenberger, Hendrik, Gillé, Marc, Schmidt, Melanie ORCID: 0000-0003-4856-3905, Schwiegelshohn, Chris and Sohler, Christian (2013). BICO: BIRCH Meets Coresets for k-Means Clustering. In: Algorithms - ESA 2013 : 21st annual European symposium ; proceedings, pp. 481-492. Berlin: Springer. ISBN 978-3-642-40449-8

Richter, Janek ORCID: 0000-0003-3189-9357 and Basten, Dirk (2013). How do Service-oriented Architectures Influence Organizational Agility? In: Hyperconnected world: anything, anywhere, anytime : 19th Americas Conference on Information Systems, (AMCIS-2013); Chicago, Illinois, USA, 15 - 17 August 2013, pp. 1818-1825. Red Hook, N.Y.: Curran. ISBN 9781629933948

2012

Beßelmann, Karl-Ferdinand, Kostädt, Peter, Maier, Christine and Welters, André (2012). Digitalisierung – ein zentrales Aufgabengebiet der Universitäts- und Stadtbibliothek Köln. In: Digitalisierung in Regionalbibliotheken, pp. 223-230. Frankfurt am Main: Klostermann. ISBN 978-3-465-03759-0

Groß, Martin, Kappmeier, Jan-Philipp W., Schmidt, Daniel R. ORCID: 0000-0001-7381-912X and Schmidt, Melanie ORCID: 0000-0003-4856-3905 (2012). Approximating Earliest Arrival Flows in Arbitrary Networks. In: Algorithms – ESA 2012 : 20th Annual European Symposium, Ljubljana, Slovenia, September 10-12, 2012. Proceedings, pp. 551-562. Berlin: Springer. ISBN 978-3-642-33090-2

Lammersen, Christiane, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2012). Probabilistic k-Median Clustering in Data Streams. In: Approximation and Online Algorithms : WAOA 2012, pp. 70-81. Berlin: Springer. ISBN 978-3-642-38016-7

Rettenmeier, Matthias (2012). Data Compression for Computational Fluid Dynamics on Irregular Grids. Thesis Abstract, Universität zu Köln.

Thum, Peter (2012). Algebraic Multigrid for the Multi-Ion Transport and Reaction Model - A Physics-Aware Approach. Thesis Abstract, Universität zu Köln.

2011

Pardella, Gregor Leszek (2011). Efficient Polynomial-Time Algorithms for Special Graph Partitioning Problems. Thesis Abstract, Universität zu Köln.

Schaudt, Oliver (2011). The Structure of Dominating Subgraphs. Thesis Abstract, Universität zu Köln.

2010

Dressler, Daniel, Groß, Martin, Kappmeier, Jan-Philipp, Kelter, Timon, Kulbatzki, Joscha, Plümpe, Daniel ORCID: 0000-0001-7381-912X, Schlechter, Gordon, Schmidt, Melanie ORCID: 0000-0003-4856-3905, Skutella, Martin and Temme, Sylvie (2010). On the use of network flow techniques for assigning evacuees to exits. Procedia Engineering, 3. pp. 205-215. Amsterdam [u.a.]: Elsevier. ISSN 1877-7058

Hellweg, Frank, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2010). Testing Euclidean Spanners. In: Algorithms – ESA 2010 : 18th Annual European Symposium, Liverpool, UK, September 6-8, 2010. Proceedings, pp. 60-71. Berlin: Springer. ISBN 978-3-642-15775-2

Hellweg, Frank, Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Sohler, Christian (2010). Testing Euclidean Spanners. In: Property Testing - Current Research and Surveys, pp. 306-311. Berlin [u.a.]: Springer. ISBN 978-3-642-16367-8

Kramer, Stefan and Ludes, Peter (2010). Introduction. In: Networks of Culture, pp. 11-23. Münster: Lit. ISBN 978-3-643-10163-1

Ludes, Peter (2010). Key Visual Networks. In: Networks of Culture, pp. 59-73. Münster: Lit. ISBN 978-3-643-10163-1

Schmidt, Melanie ORCID: 0000-0003-4856-3905 and Skutella, Martin (2010). Earliest Arrival Flows in Networks with Multiple Sinks. Electronic Notes in Discrete Mathematics, 36. pp. 607-614. Amsterdam: Elsevier. ISSN 1571-0653

2009

Jansen, Thomas, Schmidt, Melanie ORCID: 0000-0003-4856-3905, Sudholt, Dirk, Witt, Carsten and Zarges, Christine (2009). Ingo Wegener. Evolutionary Computation, 17 (1). pp. 1-2. Cambridge: MIT Pr.. ISSN 1530-9304

Rosenkranz, Christoph ORCID: 0000-0003-4286-4176, Seidel, Stefan, Mendling, Jan ORCID: 0000-0002-7260-524X, Schaefermeyer, Markus and Recker, Jan C. ORCID: 0000-0002-2072-5792 (2009). Towards a framework for business process standardization. In: Business Process Management Workshops : BPM 2009 International Workshops, Ulm, Germany, September 7, 2009. Revised Papers, pp. 53-63. Berlin: Springer. ISBN 978-3-642-12185-2

2008

Keunecke, Katerina (2008). Produktionsplanung in der Textil verarbeitenden Industrie. Thesis Abstract, Universität zu Köln.

Schulz, Michael (2008). Simultaneous Graph Drawing. Thesis Abstract, Universität zu Köln.

2007

Liu, Jia ORCID: 0000-0001-9525-2478 (2007). Metadata and Its Applications in the Digital Library : Approaches and Practices. Westport, CT, USA: Libraries Unlimited. ISBN 9781591583066

Schneider, Gerhard, Coune, Bettina, Gayer, Claudia, Vögele, Erika and Weber, Chantal (2007). Neue Medien als strategische Schrittmacher an der Universität Freiburg : wie Informations- und Kommunikationstechnologien Studium, Verwaltung und Forschung verändern. Freiburg: Universitätsbibliothek Freiburg.

Weber, Chantal (2007). (Neue) Medienkompetenz als Bestandteil der Bachelor-Studiengänge. In: Neue Medien als strategische Schrittmacher an der Universität Freiburg : wie Informations- und Kommunikationstechnologien Studium, Verwaltung und Forschung verändern, pp. 365-374. Freiburg: Universitätsbibliothek Freiburg.

2006

Hagemeier, Christian (2006). Optimale Sternüberdeckungen von Graphen. Thesis Abstract, Universität zu Köln.

Kaderali, Lars (2006). A Hierarchical Bayesian Approach to Regression and its Application to Predicting Survival Times in Cancer. Thesis Abstract, Universität zu Köln.

2005

Lückemeyer, Gero (2005). A Traffic Simulation System Increasing the Efficiency of Schedule Design for Public Transport Systems Based on Scarce Data. Thesis Abstract, Universität zu Köln.

2003

Liu, Jia ORCID: 0000-0001-9525-2478 (2003). Wang luo zi xun zi yuan zu zhi zhi yan jiu = 網路資訊資源組織之研究. Taibei: Wunan Chubanshe. ISBN 9571133574

2002

Liu, Jia ORCID: 0000-0001-9525-2478 (2002). Yuan shu ju dao lun = 元数据导论. Beijing: Huayi Chubanshe. ISBN 7-80142-370-4

Ludes, Peter (2002). Die Ausblendung von Ethik im World Wide Web. In: Netzethik : Grundlegungsfragen der Internetethik, pp. 39-47. München: Wilhem Fink Verlag. ISBN 978-3-7705-3747-1

Ludes, Peter (2002). Medienbeobachtungen und Medienausblendungen : zur Anästhesie der Bildschirmmedien. In: Bildschirm - Medien - Theorien, pp. 133-144. München: Wilhem Fink Verlag. ISBN 978-3-7705-3608-5

1994

Jünger, Michael, Kaibel, Volker and Thienel, Stefan (1994). A Practical Method for Computing Correct Delaunay Triangulations in the Euclidian Metric. ["eprint_fieldopt_monograph_type_preprint" not defined].