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J. Pan, и I. Horrocks. Proc.\ of the 2003 Description Logic Workshop (DL~2003), том 81 из CEUR, стр. 95--102. (2003)\\ http://www.cs.man.ac.uk/~horrocks/Publications/ \\ download/2003/PaHo03c.pdf.
I. Horrocks. Principles of Knowledge Representation and Reasoning: Proceedings
of the Sixth International Conference (KR'98), стр. 636--647. Morgan Kaufmann Publishers, San Francisco, California, (июня 1998)\\ http://www.cs.man.ac.uk/~horrocks/Publications/ \\ download/1998/kr98.ps.gz.
I. Horrocks, и P. Patel-Schneider. Proc.\ of the Thirteenth International World Wide Web Conference
(WWW 2004), стр. 723--731. ACM, (2004)\\ http://www.cs.man.ac.uk/~horrocks/Publications/download/2004/HoPa04a.pdf.
I. Horrocks, U. Sattler, и S. Tobies. Proceedings of the 6th International Conference on Logic for Programming
and Automated Reasoning (LPAR'99), 1705, стр. 161--180. Springer-Verlag, (сентября 1999)
I. Horrocks, и U. Sattler. Proc.\ of the 17th Int.\ Joint Conf.\ on Artificial Intelligence
(IJCAI~2001), стр. 199--204. Morgan Kaufmann, (2001)\\ http://www.cs.man.ac.uk/~horrocks/Publications/ \\ download/2001/ijcai01.pdf.
I. Horrocks, и P. Patel-Schneider. Proc.\ of the Twelfth International World Wide Web Conference (WWW2003), стр. 39--47. Budapest, Hungary, ACM, (2003)\\ http://www.cs.man.ac.uk/~horrocks/Publications/ \\ download/2003/p50-horrocks.pdf.
I. Horrocks, U. Sattler, и S. Tobies. Journal of the IGPL, 8 (3):
239--263(2000)\\ http://www3.oup.co.uk/igpl/Volume_08/Issue_03/ \\ ps/horrocks1.ps.gz.
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B. Motik, I. Horrocks, и U. Sattler. Third International Wworkshop on OWL: Experiences and Directions 2007 (OWLED 2007), Innsbruck, Austria, (июня 2007)