user- Proceedings of the 15th International Conference on Conceptual Structures ICCS 2007, volume 4604 of Lecture Notes in Artificial Intelligence, page 283--295. Berlin, Heidelberg, Springer-Verlag, (July 2007)
- Proceedings of the 6th IEEE International Conference on Data Mining ICDM 06, page 907-911. Hong Kong, IEEE Computer Society, (December 2006)
- Journal of Artificial Intelligence Research 24(1):305-339 (2005)
- ACM Transactions on Knowledge Discovery from Data 3(1):1--36 (2009)
- Proc. SIAM International Conference on Data Mining SDM'08, page 37--48. (April 2008)
- AI Communications Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering'' 20(4):245-262 (2007)
- Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, page 87-102. Aalborg, Aalborg Universitetsforlag, (2006)
