R. Cole, and P. Eklund. Australian Document Computing Symposium (ADCS01), page 5-9. University of Sydney, Basser Department of Computer Science, (2001)
T. Tran, P. Cimiano, S. Rudolph, and R. Studer. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 519--532. Berlin, Heidelberg, Springer Verlag, (November 2007)
P. Chirita, W. Nejdl, R. Paiu, and C. Kohlschütter. SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 178--185. New York, NY, USA, ACM Press, (2005)
J. Berri, R. Benlamri, and Y. Atif. Proceedings of the 2006 international conference on Wireless communications and mobile computing, page 1307--1310. New York, NY, USA, ACM, (2006)
M. Morneau, and G. Mineau. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), volume 5113 of Lecture Notes in Computer Science, page 242-254. Springer, (2008)