Ulf Brefeld

Prof. Dr.

  1. Published

    Convolutional Neural Networks

    Rudolph, Y. & Brefeld, U., 01.01.2023, Sportinformatik: Modellbildung, Simulation, Datenanalyse und Visualisierung von sportbezogenen Daten. Memmert, D. (ed.). Berlin: Springer Spektrum, p. 207-215 9 p.

    Research output: Contributions to collected editions/worksChapter

  2. Published

    Hands in Focus: Sign Language Recognition Via Top-Down Attention

    Sarhan, N., Wilms, C., Closius, V., Brefeld, U. & Frintrop, S., 08.10.2023, 2023 IEEE International Conference on Image Processing, ICIP 2023 - Proceedings: Proceedings. Piscataway: IEEE Electromagnetic Compatibility Society, p. 2555-2559 5 p. (Proceedings - International Conference on Image Processing, ICIP).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  3. Published

    User Authentication via Multifaceted Mouse Movements and Outlier Exposure

    Matthiesen, J. J., Hastedt, H. & Brefeld, U., 01.04.2023, Advances in Intelligent Data Analysis XXI: 21st International Symposium on Intelligent Data Analysis, IDA 2023, Louvain-la-Neuve, Belgium, April 12–14, 2023, Proceedings. Crémilleux, B., Hess, S. & Nijssen, S. (eds.). Cham: Springer Nature Switzerland AG, p. 300-313 14 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 13876 LNCS).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearch

  4. 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

  5. Submitted

    Studying properties of water data using manifold-aware anomaly detectors

    Paulsen, T. & Brefeld, U., 23.04.2024, (Submitted) Design of Cyber-Secure Water Plants. Mathur, A., Zhou, J. & Raman, G. (eds.). MDPI AG, (Water).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  6. E-pub ahead of print

    Self-improvement for Computerized Adaptive Testing

    Rudolph, Y., Neubauer, K. & Brefeld, U., 2026, Machine Learning and Knowledge Discovery in Databases - Research Track: European Conference, ECML PKDD 2025, Porto, Portugal, September 15–19, 2025, Proceedings. Ribeiro, R. P., Pfahringer, B., Japkowicz, N., Larrañaga, P., Jorge, A. M., Soares, C., Abreu, P. H. & Gama, J. (eds.). Cham: Springer International Publishing, Vol. 2. p. 70-86 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence); vol. 16014).

    Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

  7. Accepted/In press

    Joint Item Response Models for Manual and Automatic Scores on Open-Ended Test Items

    Bengs, D., Brefeld, U., Kroehne, U. & Zehner, F., 2025, (Accepted/In press) In: Psychometrika.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  8. Published

    Machine Learning and Data Mining for Sports Analytics: 11th International Workshop, MLSA 2024, Vilnius, Lithuania, September 9, 2024, Revised Selected Papers

    Brefeld, U. (Editor), Davis, J. (Editor), Van Haaren, J. (Editor) & Zimmermann, A. (Editor), 2025, Cham: Springer Verlag. 119 p. (Communications in Computer and Information Science; vol. 2460)

    Research output: Books and anthologiesConference proceedingsResearch

  9. Published

    The promise and challenges of computer mouse trajectories in DMHIs – A feasibility study on pre-treatment dropout predictions

    Zantvoort, K., Matthiesen, J., Bjurner, P., Bendix, M., Brefeld, U., Funk, B. & Kaldo, V., 06.2025, In: Internet Interventions. 40, 7 p., 100828.

    Research output: Journal contributionsJournal articlesResearchpeer-review

  10. Published

    Toward Learning Distributions of Distributions

    Wohlstein, M. & Brefeld, U., 2025, In: Proceedings of Machine Learning Research. 265, p. 269-275 7 p.

    Research output: Journal contributionsConference article in journalResearchpeer-review

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Publications

  1. A Cultural Analysis of the Economy of Affection and the Uncaptured Peasantry in Tanzania
  2. Pädagogischer Eros
  3. Higher Education for sustainable development within a whole-system approach. The case oft the Leuphana University Lüneburg
  4. Hydrolyzed organic residues as sources of secondary raw materials
  5. Benefits of integrating popular music in primary and secondary schools
  6. Photocatalytic degradation of sulfamethoxypyridazine with TiO2, FeCl3 and TiO2/FeCl3: Biodegradability, toxicity assessment, and LC-UV-MS/MS identification of the photodegradation products in aqueous and sewage treatment plant effluent
  7. Kontrolle durch Transparenz - Transparenz durch Kontrolle
  8. Data retention in the European Union
  9. Wie gesprochen werden?
  10. Statutenkollisionslehre
  11. A multi-level assessment of changes in stakeholder constellations, interest and influence on ecosystem services under different landscape scenarios in southwestern Ethiopia
  12. Strategisches Logistikmanagement
  13. Konfiguration der PPS
  14. Experimental and in silico assessment of fate and effects of the antipsychotic drug quetiapine and its bio- and phototransformation products in aquatic environments
  15. Learning or leaning
  16. "Have We Seen It All Before?"
  17. Response diversity as a sustainability strategy
  18. Finding the Balance
  19. Health related quality of life of a tertiary referral center population with urinary incontinence using the DCGM-10 questionnaire
  20. Im Gespräch bleiben. Notizen zur Kunstkritik
  21. Qualitative environmental risk assessment of photolytic transformation products of iodinated X-ray contrast agent diatrizoic acid
  22. Activity-based start-up simulations in entrepreneurship education at the German universities
  23. Der Ozean im Glas
  24. Interculturally Wired, Locally Connected
  25. The times they are a-changin’
  26. Seth Price. Decimating Digital Data
  27. Trouble on my mind
  28. How do family entrepreneurs recognize opportunities?