M. Winikoff. Multi-Agent Programming: Languages, Platforms and Applications, том 15 из Multiagent Systems, Artificial Societies, and Simulated Organizations, глава 7, Springer, New York, NY, (2005)
J. Broekstra, A. Kampman, и F. van Harmelen. The Semantic Web -- ISWC 2002: First International Semantic Web Conference Sardinia, Italy, том 2342 из Lecture Notes in Computer Science, Springer, Berlin, (2002)