have an M. Sc. in Computer Sciences from the Royal Institute of Technology, Stockholm and a Ph. Lic. in Computer Science from Uppsala University. The work on the M. Sc. was accomplished at Ellemtel
Utvecklings AB. I have been working at SICS since March 1998.
My main interests concern anomaly detection and network security risk analysis, trust management, machine learning and the issues of building distributed
self-organising systems where the entities, to improve their performance,
organise themselves based on their interactions. My Ph. Lic Thesis was about bootstrapping and decentralizing recommender systems, and my M. Sc. Thesis concerned
how software agents can collaborate to perform social information filtering
for their users.
Previously I have worked with recommender systems and something I call decentralised
recommender systems or distributed social filtering based on the
metaphore. I have also worked with trust modelling to deduce or induce measures of trust between interacting entities. In the context of contract management in virtual organizations, I have worked with the problem on how to monitor and detect violations to Service Level Agreements.
Olsson, T. 2003. Bootstrapping and
Decentralizing Recommender Systems. Licentiate thesis 2003-006, Department
of Information Technology, Uppsala University. [PDF]
R. Cöster, A. Gustavsson, T.
Olsson and Å. Rudström. 2002. Enhancing Web-Based Configuration
with Recommendations and Cluster-Based Help. In Proceedings of the
AH'2002 Workshop on Recommendation and Personalization in eCommerce, Málaga,
Spain, May 28th [PDF]
Olsson, T., Rasmusson, A. and Janson,
S. 2000. Personalized Decentralized Communication. Appeared in the
Workshop papers of the AAAI Spring Symposium Series 2000: Bringing Knowledge
to Business Processes. [PDF]
Rasmusson, A & Olsson, T & Hansen, P. 1998. A Virtual
Community Library: SICS Digital Library Infrastructure Project. Research
and Advanced Technology for Digital Libraries. Second European Conference,
ECDLí98, Heraklion, Crete, 19-23 September, Proceedings. Lecture Notes
in Computer Science, Vol 1513. pp 677-678. Springer. [Poster]
[HTML | Postscript]
Olsson, T. 1998b. Decentralized Social Filtering based on Trust.
In: AAAI-98 Recommender Systems Workshop Papers. Technical Report WS-98-08.
pp 84-88. AAAI Press. [HTML
Olsson, T. 1998a. Information Filtering with Collaborative Interface
Agents. M. Sc. Thesis. Department of Computer and Systems Sciences,
Royal Institute of Technology, Sweden. [PDF]