R. Cole, and P. Eklund. Supplementary Proceedings of International Conference on Conceptual Structures, ICCS '96, page 1-12. University of New South Wales, (1996)
R. Cole, P. Eklund, and B. Groh. International Symposium on Knowledge Retrieval, Use, and Storage for Efficiency, KRUSE-97, page 151-164. (1997)Later revised and published completely in Cole's Computational Intelligence paper.
P. Becker, and P. Eklund. Australian Document Computing Symposium (ADCS01), page 5-9. University of Sydney, Basser Department of Computer Science, (2001)