By Vassilis Christophides, Dimitris Plexousakis, Michel Scholl and Sotirios Tourtounis. In: Proceedings of the 12th international conference on World Wide Web, 2003. Deals with optimization of the navigation through voluminous subsumption hierarchies ...
By Marja-Riitta Koivunen and Eric Miller. In: Proceedings of the Semantic Web Kick-off Seminar in Finland, November 2001. The authors explain the main Semantic Web principles, key technological layers, they present W3C activity and sample applications...