1. B. Gaines, M. Shaw, Documents as expert systems, in: C.U. Press (Ed.), Proceedings of 9th British Society Expert Systems Conference, 1992, pp. 331–349
2. F. Rechenmann, Building and sharing large knowledge bases in molecular genetics, in: Proceedings of 1st International Conference on Building and Sharing of Very Large-Scale Knowledge Bases, Tokyo, 1993, pp. 291–301
3. P. Martin, Exploitation de graphes conceptuels et de documents structurés et hypertextes pour l'acquisition de connaissances et la recherche d'information, Ph.D. Thesis, Université de Nice-Sophia Antipolis, 1996
4. D. Skuce, T. Lethbridge, CODE4: a unified system for managing conceptual knowledge, International Journal of Human-Computer Studies 42 (4)
5. D. Bourigault, Lexter, a terminology extraction software for knowledge acquisition from texts, in: Proceedings of the 9th Knowledge Acquisition for Knowledge Based System Workshop (KAW'95), Banff, Canada, 1995