We have developed a system that allows users to add annotations immediately onto a Web page they are viewing, and share the information via a network. A novel feature of our metho...
Focused crawlers are considered as a promising way to tackle the scalability problem of topic-oriented or personalized search engines. To design a focused crawler, the choice of s...
We present an evaluation of four knowledge base systems with respect to use in large Semantic Web applications. We discuss the performance of each system. In particular, we show t...
In this paper, we describe the design of a profile generator toolkit, which aims to automatically create realistic user profiles for a mobile personalized portal service. These pr...
This paper describes the attempts of the COHSE project to define and deploy a Conceptual Open Hypermedia Service. Consisting of ? an ontological reasoning service which is used to...
Les Carr, Wendy Hall, Sean Bechhofer, Carole A. Go...