This paper reports a new general framework of focused web crawling based on "relational subgroup discovery". Predicates are used explicitly to represent the relevance cl...
We describe an approach designed to reduce the costs of ontology development through the use of untrained, volunteer knowledge engineers. Results are provided from an experiment i...
Wikis are popular collaborative hypertext authoring environments, but they neither support structured access nor information reuse. Adding semantic annotations helps to address th...
Exercising is often a social activity performed with other people, yet finding compatible exercise partners is difficult in practice. To gain a better understanding of the social ...
Information retrieval or search plays an important role in a wide range of information management and electronic commerce tasks. In spite of the importance of information retrieva...
Nicholas J. Belkin, Susan T. Dumais, Jean Scholtz,...