S. Kuznetsov, and S. Obiedkov. Principles of Data Mining and Knowledge Discovery, page 289--300. Berlin, Heidelberg, Springer Berlin Heidelberg, (2001)
S. Andrews, and S. Polovina. Proceedings of the 19th International Conference on Conceptual Structures (ICCS 2011), volume 6828 of Lecture Notes in Computer Science, page 63-76. Springer, (2011)
B. Ganter, and S. Rudolph. Proceedings of the 9th International Conference on Conceptual Structures (ICCS 2001), volume 2120 of Lecture Notes in Computer Science, page 143-156. Springer, (2001)
P. Eklund, B. Groh, G. Stumme, and R. Wille. Conceptual Structures: Logical, Linguistic, and Computational, volume 1867 of LNAI, page 453-467. Heidelberg, Springer, (2000)
G. Mineau, G. Stumme, and R. Wille. Conceptual Structures: Standards and Practices. Proc. ICCS '99, volume 1640 of LNAI, page 423-441. Heidelberg, Springer, (1999)
P. Eklund, B. Groh, G. Stumme, and R. Wille. Conceptual Structures: Logical, Linguistic, and Computational, volume 1867 of LNAI, page 453-467. Heidelberg, Springer, (2000)