Publications: Svensson, M., Höök, K. and Cöster, R. (2005): Designing and Evaluating Kalas: a Social Navigation System for Food Recipes. , In ACM Transactions on Computer-Human Interaction, ACM Press, In Press.
 Cöster, R. Algorithms and Representations for Personalised Information Access. Ph.D. Thesis, Department of Computer and System Sciences, Stockholm University, 2005
 Cöster, R. and Svensson, M. Incremental Collaborative Filtering for Mobile Devices. In Proceedings of the 2005 ACM symposium on Applied computing. ACM Press, 2005.
 Rudström, Å., Svensson, M., Cöster, R. and Höök, K. (2004): MobiTip: Using Bluetooth as a Mediator of Social Context. In Ubicomp 2004 Adjunct Proceedings, Nottingham, UK
 Alemu Argaw, A., Asker, L., Cöster, R., and Karlgren, J. (2004): Dictionary based Amharic - English Information Retrieval. The CLEF 2004 Workshop, September 15-17, 2004, Bath, England.
 Karlgren, J., Sahlgren, J., Järvinen, T., and Cöster, R. (2004): Dynamic Lexica for Query Translation. The CLEF 2004 Workshop, September 15-17, 2004, Bath, England.
 Sahlgren, M. and Cöster, R. (2004): Using Bag-of-Concepts to Improve the Performance of Support Vector Machines in Text Categorization. In Proceedings of the 20th International Conference on Computational Linguistics, COLING 2004, August 23-27, 2004, Geneva, Switzerland, pp.487-493.
 Svensson, M., Höök, K., and Cöster, R. (2003) Evaluating Social Trails. In CHI '03 extended abstracts on Human factors in computer systems, Ft. Lauderdale, Florida, USA, 246 - 252.
 Cöster, R., Sahlgren, M. and Karlgren, J. (2003): Selective Compound Splitting of Swedish Queries for Boolean Combinations of Truncated Terms. The CLEF 2003 Workshop, August 21-22, 2003, Trondheim, Norway.
 Cöster, R. Learning and Scalability in Personalized Information Retrieval and Filtering. Licentiate of Philosophy Thesis, Stockholm University, Department of Computer and System Sciences, December 2002. (Includes papers ,  and )
 Cöster, R. The architecture and implementation of a system for collaborative and content-based filtering. Technical Report 2002-032, Department of Computer and System Sciences, Stockholm University, 2002.
 Sahlgren, M., Karlgren, J., Cöster, R., and Järvinen, T. SICS at CLEF 2002: Automatic query expansion using random indexing. The CLEF 2002 Workshop, September 19-20 2002.
 Persson, P., Espinoza, F., Fagerberg, P., Sandin,A., and Cöster, R. Geonotes: A location-based information system for public spaces. In Höök, K., Benyon, D., and Munro, A. editors, Designing information spaces: the social navigation approach. Springer, 2003.
 Cöster, R. and Svensson, M. Inverted file search algorithms for collaborative filtering. In Proceedings of the 25th annual international conference on Research and development in information retrieval, pages 246--252. ACM Press, 2002.
 Cöster, R., Gustavsson, A., Olsson, T. and Rudström, Å. Enhancing web-based configuration with recommendations and cluster-based help. In Proceedings of the AH’2002 workshop on recommendation and personalisation in eCommerce, pages 30--39, 2002.
 Cöster, R. and Asker, L. A similarity-based approach to relevance learning. In Proceedings of the 14th European conference on Artificial Intelligence, pages 276--280. IOS Press, 2000.
 Cöster, R. Learning from relevance feedback in latent semantic indexing. Master’s thesis, DSV, Stockholm University, 1999. Winner of the Swedish Artificial Intelligence Society (SAIS) award for best MSc Thesis, 1999. Presented at SAIS 2000.
Last modified: Wed Sep 7 14:43:23 2005