Ulf Brefeld
Prof. Dr.
- Informatics
- Business informatics
Research areas
- 2013
Toward supervised anomaly detection
Görnitz, N., Kloft, M., Rieck, K. & Brefeld, U., 20.02.2013, In: Journal of Artificial Intelligence Research. 46, p. 235-262 28 p.Research output: Journal contributions › Journal articles › Research › peer-review
Finding Similar Movements in Positional Data Streams
Haase, J. & Brefeld, U., 2013, Machine Learning and Data Mining for Sports Analytics - MLSA 2013: Proceedings. Jesse, D., Van Haaren, J. & Zimmermann, A. (eds.). Prag: Sun Site Central Europe (RWTH Aachen University), p. 49-57 9 p. (CEUR Workshop Proceedings; no. 1969).Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
- 2012
Insights from classifying visual concepts with multiple kernel learning
Binder, A., Nakajima, S., Kloft, M., Müller, C., Samek, W., Brefeld, U., Müller, K. R. & Kawanabe, M., 24.08.2012, In: PLoS ONE. 7, 8, e38897.Research output: Journal contributions › Journal articles › Research › peer-review
Discriminative clustering for market segmentation
Haider, P., Chiarandini, L. & Brefeld, U., 2012, Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining. New York: Association for Computing Machinery, Inc, p. 417-425 9 p.Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
- 2011
ℓp-norm multiple kernel learning
Kloft, M., Brefeld, U., Sonnenburg, S. & Zien, A., 03.2011, In: Journal of Machine Learning Research. 12, p. 953-997 45 p.Research output: Journal contributions › Journal articles › Research › peer-review
Structrank: A new approach for ligand-based virtual Screening
Rathke, F., Hansen, K., Brefeld, U. & Müller, K. R., 24.01.2011, In: Journal of Chemical Information and Modeling. 51, 1, p. 83-92 10 p.Research output: Journal contributions › Journal articles › Research › peer-review
Document assignment in multi-site search engines
Brefeld, U., Barla Cambazoglu, B. & Junqueira, F. R., 2011, Proceedings of the fourth ACM international conference on Web search and data mining . New York: Association for Computing Machinery, Inc, p. 575-584 10 p.Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
Hybrid models for future event prediction
Amodeo, G., Blanco, R. & Brefeld, U., 2011, Proceedings of the 20th ACM international conference on Information and knowledge management. Berendt, B., de Vries, A., Fan, W., Macdonald, C., Ounis, I. & Ruthven, I. (eds.). New York: Association for Computing Machinery, Inc, p. 1981-1984 4 p.Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
Learning from partially annotated sequences
Fernandes, E. R. & Brefeld, U., 2011, Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2011, Proceedings. Gunopulos, D., Hofmann, T., Malerba, D. & Vazirgiannis, M. (eds.). PART 1 ed. Heidelberg, Berlin: Springer Verlag, p. 407-422 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6911 LNAI, no. PART 1).Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review
Learning to rank user intent
Giannopoulos, G., Brefeld, U., Dalamagas, T. & Sellis, T., 2011, Proceedings of the 20th ACM international conference on Information and knowledge management . Association for Computing Machinery, Inc, p. 195-200 6 p.Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review