Organisation profile

At the Institute of Information Systems (IIS) of the Leuphana University we work on innovative topics in Information Systems and Data Science. The main focus is on digital transformation, e-health, e-commerce, business analytics, sports and e-learning. Methodologically, we focus on the development and use of machine learning and artificial intelligence methods for the modeling and solution of data-driven decision problems. Additional quantitative (e.g. graphs, optimization) and qualitative (e.g. interviews, reference modeling) methods complement this spectrum. Cooperating with other universities, companies, and institutions of the civil society plays an important role in our work.

Main research areas

At the Institute of Information Systems there are currently 6 professors and numerous research assistants. Our main research areas include digital transformation, e-health, e-commerce, business analytics, sports, and e-learning. Details can be found on the websites of the work groups and in the central research database of Leuphana. The Institute of Information Systems organized a number of events and conferences at Leuphana (e.g. ITEE 2013, final round of the German National Computer Science Competition 2014, MKWI 2018).

  1. Journal articles › Research › Peer-reviewed
  2. Published

    Acceptance of Mobile Mental Health Treatment Applications

    Becker, D., 01.01.2016, In: Procedia Computer Science. 98, p. 220-227 8 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  3. Published

    A Cross-Industry Analysis of the Spillover Effect in Paid Search Advertising

    Nottorf, F. & Funk, B., 09.2013, In: Electronic Markets. 23, 3, p. 205-216 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  4. Published

    Action rate models for predicting actions in soccer

    Dick, U. & Brefeld, U., 02.03.2022, In: AStA Advances in Statistical Analysis. 107, 1-2, p. 29-49 21 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  5. Published

    Adaptive Item Selection Under Matroid Constraints

    Bengs, D., Brefeld, U. & Kröhne, U., 07.08.2018, In: Journal of Computerized Adaptive Testing. 6, 2, p. 15-36 22 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  6. Published

    A Framework for Applying Natural Language Processing in Digital Health Interventions

    Funk, B., Sadeh-Sharvit, S., Fitzsimmons-Craft, E. E., Trockel, M. T., Monterubio, G. E., Goel , N. J., Balantekin, K. N., Eichen, D. M., Flatt, R. E., Firebaugh, M.-L., Jacobi, C., Graham, A. K., Hoogendoorn, M., Wilfley, D. E. & Taylor, C. B., 19.02.2020, In: Journal of Medical Internet Research. 22, 2, 13 p., e13855.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  7. Published

    A health economic outcome evaluation of an internet-based mobile-supported stress management intervention for employees

    Ebert, D. D., Kählke, F., Buntrock, C., Berking, M., Smit, F., Heber, E., Baumeister, H., Funk, B., Riper, H. & Lehr, D., 02.2018, In: Scandinavian Journal of Work, Environment and Health. 44, 2, p. 171-182 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  8. Published

    Ambivalence in machine intelligence: the epistemological roots of the Turing Machine

    Prado, B., 01.2021, In: Signos Filosoficos. 23, 45, p. 54-73 20 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  9. Published

    A mobile application for panic disorder and agoraphobia: Insights from a multi-methods feasibility study

    Ebenfeld, L., Kleine Stegemann, S., Lehr, D., Ebert, D. D., Funk, B., Riper, H. & Berking, M., 01.03.2020, In: Internet Interventions. 19, 10 p., 100296 .

    Research output: Journal contributionsJournal articlesResearchpeer-review

  10. Published

    A MODEL FOR QUANTIFICATION OF SOFTWARE COMPLEXITY

    Roth, C. & Lesshafft, K., 06.1987, In: Angewandte Informatik. 29, 6, p. 227-234 8 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  11. Published

    Analyse von geschlossenen Immobilienfonds mit stochastischer Simulation

    Jacobs, J. & Weinrich, G., 2009, In: Die Betriebswirtschaft. 69, 3, p. 373-391 19 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  12. Published

    Analysing clickstream data: Do paid and organic search affect each other?

    Bremer, V. & Funk, B., 04.04.2017, In: International Journal of Electronic Business. 13, 2/3, p. 205-215 11 p., 5.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  13. Published

    Analysis of semi-open queueing networks using lost customers approximation with an application to robotic mobile fulfilment systems

    Otten, S., Krenzler, R., Xie, L., Daduna, H. & Kruse, K., 06.2022, In: OR Spectrum. 44, 2, p. 603-648 46 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  14. Published

    A Universal Digital Stress Management Intervention for Employees: Randomized Controlled Trial with Health-Economic Evaluation

    Freund, J., Smit, F., Lehr, D., Zarski, A. C., Berking, M., Riper, H., Funk, B., Ebert, D. D. & Buntrock, C., 22.10.2024, In: Journal of Medical Internet Research. 26, 13 p., e48481.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  15. Published

    Auswirkungen der Digitalisierung auf die Geschäftsmodelle der Finanzindustrie

    Schmidt, J. & Drews, P., 2016, In: Banking and Information Technology. 17, 1, p. 9-18 10 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  16. Published

    Automated Invoice Processing: Machine Learning-Based Information Extraction for Long Tail Suppliers

    Krieger, F., Drews, P. & Funk, B., 01.11.2023, In: Intelligent Systems with Applications. 20, 14 p., 200285.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  17. E-pub ahead of print

    Beyond Digital vs. IT: The Untold Story of Their Relationship from an Organizing Logic Perspective

    Baiyere, A., Zimmer, M. P., Staykova, K. S. & Jöhnk, J., 15.04.2025, (E-pub ahead of print) In: Information Systems Research. 37 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  18. Published

    Capitalizing on natural language processing (NLP) to automate the evaluation of coach implementation fidelity in guided digital cognitive-behavioral therapy (GdCBT)

    Zainal, N. H., Eckhardt, R., Rackoff, G. N., Fitzsimmons-Craft, E. E., Rojas-Ashe, E., Barr Taylor, C., Funk, B., Eisenberg, D., Wilfley, D. E. & Newman, M. G., 02.04.2025, In: Psychological Medicine. 55, e106.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  19. Published

    Contextual movement models based on normalizing flows

    Fadel, S., Mair, S., da Silva Torres, R. & Brefeld, U., 03.2023, In: AStA Advances in Statistical Analysis. 107, 1-2, p. 51-72 22 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  20. Published

    Continous preventive diagnosis for cardiovascular diseases based on stochastic modeling

    Busch, B.-H. & Welge, R., 2011, In: International Journal on Computer and Industrial Management Applications. 3, p. 646-654 9 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  21. Published

    Co-Shaping an Ecosystem for Responsible AI: Five Types of Expectation Work in Response to a Technological Frame

    Minkkinen, M., Zimmer, M. P. & Mäntymäki, M., 02.2023, In: Information Systems Frontiers. 25, 1, p. 103-121 19 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  22. Published

    Criticality and Values in Digital Transformation Research: Insights from a Workshop

    Zimmer, M. P., Vasilakopoulou, P., Grisot, M. & Niemimaa, M., 2023, In: Communications of the Association for Information Systems. 53, p. 964-983 20 p., 41.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  23. Published

    Data practices in apps from Brazil: What do privacy policies inform us about?

    Quadros dos Reis, V., Rabello, M. E. R., Lima, A. C., Jardim, G. P. S., Fernandes, E. R. & Brefeld, U., 10.02.2023, In: Journal on Interactive Systems. 14, 1, p. 1-8 8 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  24. E-pub ahead of print

    Dataset size versus homogeneity: A machine learning study on pooling intervention data in e-mental health dropout predictions

    Zantvoort, K., Hentati Isacsson, N., Funk, B. & Kaldo, V., 15.05.2024, (E-pub ahead of print) In: Digital Health. 10, 10 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  25. Published

    Deal or no deal? How round vs precise percentage offers and price-ending mimicry affect impasse risk in over 25 million eBay negotiations

    Petrowsky, H. M., Schweinsberg, M., Seitz, L., Funk, B. & Loschelder, D. D., 01.01.2023, In: Journal of Economic Psychology. 94, 10 p., 102584.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  26. Published

    Deep Learning auf sequenziellen Daten als Grundlage unternehmerischer Entscheidungen: Schwerpunkt Analyse sequenzieller Daten

    Funk, B., Dr. Rettenmeier, M. & Lang, T., 10.2017, In: Wirtschaftsinformatik & Management. 9, 5, p. 16-25 10 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  27. Published

    Designing a Thrifty Approach for SME Business Continuity: Practices for Transparency of the Design Process

    Järveläinen, J., Niemimaa, M. & Zimmer, M. P., 01.01.2022, In: Journal of the Association for Information Systems. 23, 6, p. 1557-1602 46 p., 3.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  28. Published

    Digitale Kompetenzen im Wandel: Eine Neubewertung digitaler Kompetenzen in der IT-Funktion eines Automobilunternehmens

    Pieczurczyk, S. & Drews, P., 02.2024, In: HMD Praxis der Wirtschaftsinformatik. 61, 1, p. 78-99 22 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  29. Published

    Digital guided self-help for eating disorders: thematic analysis of participant text messages to coaches

    Sadeh-Sharvit, S., Idan, O., Fowler, L. A., Fitzsimmons-Craft, E. E., Firebaugh, M.-L., Smith, A., Graham, A. K., Goelf , N. J., Flatt, R. E., Balantekinh, K. N., Monterubiod, G. E., Karam, A. M., Funk, B., Trockel, M. T., Wilfley, D. E. & Taylor, C. B., 2023, In: Eating Disorders, The Journal of Treatment & Prevention. 31, 2, p. 191-199 9 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  30. Published

    Digitalization: Opportunity and Challenge for the Business and Information Systems Engineering Community

    Legner, C., Eymann, T., Hess, T., Matt, C., Böhmann, T., Drews, P., Mädche, A., Urbach, N. & Ahlemann, F., 01.08.2017, In: Business and Information Systems Engineering. 59, 4, p. 301-308 8 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  31. Published

    Digital Workplace Transformation: Subtraction Logic as Deinstitutionalising the Taken-for-Granted

    Zimmer, M. P., Baiyere, A. & Salmela, H., 01.03.2023, In: Journal of Strategic Information Systems. 32, 1, 20 p., 101757.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  32. Published

    Distributed robust Gaussian Process regression

    Mair, S. & Brefeld, U., 01.05.2018, In: Knowledge and Information Systems. 55, 2, p. 415-435 21 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  33. Published

    Economic Evaluation of an Internet-Based Stress Management Intervention Alongside a Randomized Controlled Trial

    Kählke, F., Buntrock, C., Smit, F., Berking, M., Lehr, D., Heber, E., Funk, B., Riper, H. & Ebert, D. D., 15.05.2019, In: JMIR Mental Health. 6, 5, 13 p., e10866.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  34. Published

    Effectiveness and Moderators of an Internet-Based Mobile-Supported Stress Management Intervention as a Universal Prevention Approach: Randomized Controlled Trial

    Ebert, D. D., Franke, M., Zarski, A.-C., Berking, M., Riper, H., Cuijpers, P., Funk, B. & Lehr, D., 22.12.2021, In: Journal of Medical Internet Research. 23, 12, 19 p., e22107.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  35. Published

    Efficacy of a hybrid online training for panic symptoms and agoraphobia: study protocol for a randomized controlled trial

    Ebenfeld, L., Kleine Stegemann, S., Lehr, D., Ebert, D. D., Jazaieri, H., van Ballegooijen, W., Funk, B., Riper, H. & Berking, M., 04.11.2014, In: Trials. 15, 1, 10 p., 427.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  36. Published
  37. Published
  38. Published

    Emergency detection based on probabilistic modeling in AAL environments

    Busch, B.-H., Kujath, A. & Welge, R., 2011, In: IADIS International Journal on Computer Science and Information Systems. 6, 1, p. 122-137 16 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  39. Published

    Estimation of minimal data sets sizes for machine learning predictions in digital mental health interventions

    Zantvoort, K., Nacke, B., Görlich, D., Hornstein, S., Jacobi, C. & Funk, B., 12.2024, In: npj Digital Medicine. 7, 1, 10 p., 361.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  40. Published

    European COMPARative Effectiveness research on blended Depression treatment versus treatment-as-usual (E-COMPARED): Study protocol for a randomized controlled, non-inferiority trial in eight European countries

    Kleiboer, A., Smit, J., Bosmans, J., Ruwaard, J., Andersson, G., Topooco, N., Berger, T., Krieger, T., Botella, C. M., Banos Rivera, R. M., Chevreul, K., Araya, R., Cerga-Pashoja, A., Cieslak, R., Rogala, A., Vis, C., Draisma, S., van Schaik, D. J., Kemmeren, L., Ebert, D. D., Berking, M., Funk, B., Cuijpers, P. & Riper, H., 03.08.2016, In: Trials. 17, 1, 10 p., 387.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  41. Published

    Evaluating a hybrid web-based training program for panic disorder and agoraphobia: Randomized controlled trial

    Ebenfeld, L., Lehr, D., Ebert, D. D., Stegemann, S. K., Riper, H., Funk, B. & Berking, M., 04.03.2021, In: Journal of Medical Internet Research. 23, 3, 14 p., e20829.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  42. Published

    Evaluating one-shot tournament predictions

    Ekstrom, C. T., Van Eetvelde, H., Ley, C. & Brefeld, U., 05.04.2021, In: Journal of Sports Analytics. 7, 1, p. 37-46 10 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  43. Published

    Evaluation of a temporal causal model for predicting the mood of clients in an online therapy

    Becker, D., Bremer, V., Funk, B., Hoogendoorn, M., Rocha, A. & Riper, H., 11.02.2020, In: BMJ mental health. 23, 1, p. 27-33 7 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  44. Published

    Evaluation of standard ERP software implementation approaches in terms of their capability for business process optimization

    Knöll, H.-D., Kuehl, L. W. H., Kuehl, R. W. A. & Moreton, R., 01.09.2004, In: Journal of Computing and Information Science in Engineering. 4, 3, p. 271-277 7 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  45. Published

    Examining how AI capabilities can foster organizational performance in public organizations

    Mikalef, P., Lemmer, K., Schaefer, C., Ylinen, M., Fjørtoft, S. O., Torvatn, H. Y., Gupta, M. & Niehaves, B., 01.04.2023, In: Government Information Quarterly. 40, 2, 14 p., 101797.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  46. Published

    Explaining the (Non-) Adoption of Advanced Data Analytics in Auditing: A Process Theory

    Krieger, F., Drews, P. & Velte, P., 01.06.2021, In: International Journal of Accounting Information Systems. 41, 24 p., 100511.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  47. Published

    Exploiting ConvNet diversity for flooding identification

    Nogueira, K., Fadel, S. G., Dourado, I. C., De Werneck, R. O., Munoz, J. A. V., Penatti, O. A. B., Calumby, R. T., Li, L. T., Dos Santos, J. A. & Torres, R. D. S., 09.2018, In: IEEE Geoscience and Remote Sensing Letters. 15, 9, p. 1446-1450 5 p., 8398414.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  48. Published

    Finding the Best Match — a Case Study on the (Text‑) Feature and Model Choice in Digital Mental Health Interventions

    Zantvoort, K., Scharfenberger, J., Boß, L., Lehr, D. & Funk, B., 12.2023, In: Journal of Healthcare Informatics Research. 7, 4, p. 447-479 33 p., 00148.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  49. Published

    Formulating and solving integrated order batching and routing in multi-depot AGV-assisted mixed-shelves warehouses

    Xie, L., Li, H. & Luttmann, L., 01.06.2023, In: European Journal of Operational Research . 307, 2, p. 713-730 18 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  50. Published

    From simulation to real-world robotic mobile fulfillment systems

    Xie, L., Thieme, N. & Li, H., 12.2019, In: Logistics Research. 12, 1, 13 p., 9.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  51. Published

    Gamification und Crowdfunding im Innovationsmanagement: Entwicklung und Einführung einer SharePoint-basierten Anwendung

    Drews, P., Schomborg, T. & Leue-Bensch, C., 2015, In: HMD Praxis der Wirtschaftsinformatik. 52, 6, p. 891-902 12 p.

    Research output: Journal contributionsJournal articlesResearchpeer-review