T. Zesch, и I. Gurevych. Proceedings of the TextGraphs-2 Workshop (NAACL-HLT), стр. 1--8. Rochester, Association for Computational Linguistics, (Апрель 2007)
B. Yu, и M. Singh. Cooperative Information Agents IV - The Future of Information Agents in Cyberspace, том 1860 из Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2000)
B. Yu, и M. Singh. Proceedings of the second international joint conference on Autonomous agents and multiagent systems, стр. 65--72. New York, NY, USA, ACM, (2003)
B. Hoser, A. Hotho, R. Jäschke, C. Schmitz, и G. Stumme. The Semantic Web: Research and Applications, том 4011 из Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, 10.1007/11762256_38.(2006)