S. Bloehdorn, P. Haase, Y. Sure, and J. Völker. Semantic Web Technologies --- Trends and Research in Ontology-Based Systems, chapter 4, John Wiley & Sons, Chichester, West Sussex, UK, (June 2006)
J. Broekstra, A. Kampman, and F. van Harmelen. The Semantic Web - ISWC 2002. First International Semantic Web Conference, Sardinia, Italy, June 9-12, 2002, Proceedings, 2342, page 54-68. (2002)
M. Klein, D. Fensel, A. Kiryakov, and D. Ognyanov. Proc. of the 13th European Conf. on Knowledge Engineering and Knowledge Management (EKAW02) (Siguenza, Spain), page 197--212. (2002)
B. Smith, and C. Welty. Proceeding of the 2nd International Conference on Fortmal Ontology and Information Systems (FOIS 2001), Ogunquit, Maine, USA, (2001)
H. Lieberman, D. Smith, and A. Teeters. In Proceedings of the Workshop on Common Sense and Intelligent User Interfaces held in conjunction with the 2007 International Conference on Intelligent User Interfaces (IUI 2007), (2007)
X. Wu, L. Zhang, and Y. Yu. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 417--426. New York, NY, USA, ACM Press, (2006)
N. Pahal, N. Chauhan, and A. Sharma. Wireless Communication and Sensor Networks, 2007. WCSN '07. Third International Conference on, page 121-124. (2007)
M. Shokouhi, P. Chubak, and Z. Raeesy. Information Technology: Coding and Computing, 2005. ITCC 2005. International Conference on, 2, page 503- 508 Vol. 2. (2005)
Y. An, J. Geller, Y. Wu, and S. Chun. DEXA '07: Proceedings of the 18th International Conference on Database and Expert Systems Applications, page 470--474. Washington, DC, USA, IEEE Computer Society, (2007)
M. Hepp, D. Bachlechner, and K. Siorpaes. WikiSym '06: Proceedings of the 2006 international symposium on Wikis, page 143--144. New York, NY, USA, ACM, (2006)
K. Sugiyama, K. Hatano, and M. Yoshikawa. WWW '04: Proceedings of the 13th international conference on World Wide Web, page 675--684. New York, NY, USA, ACM, (2004)
S. Bao, G. Xue, X. Wu, Y. Yu, B. Fei, and Z. Su. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 501--510. New York, NY, USA, ACM, (2007)
O. Boydell, and B. Smyth. IUI '07: Proceedings of the 12th international conference on Intelligent user interfaces, page 42--51. New York, NY, USA, ACM Press, (2007)
D. Abrams, R. Baecker, and M. Chignell. Proceedings of the SIGCHI conference on Human factors in computing systems, page 41-48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)
S. Wedig, and O. Madani. KDD '06: Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining, page 742--747. New York, NY, USA, ACM, (2006)