This paper is concerned with the problem of definition search. Specifically, given a term, we are to retrieve definitional excerpts of the term and rank the extracted excerpts acc...
Depending on a web searcher’s familiarity with a query’s target topic, it may be more appropriate to show her introductory or advanced documents. The TREC HARD [1] track defi...
Abstract. In this paper we present an implementation using XML and Java (XSHAAD) based on a modular architecture of SHAAD to support a web-based Adaptive Hypermedia System. This ar...
Continuous queries are queries for which responses given to users must be continuously updated, as the sources of interest get updated. Such queries occur, for instance, during on...
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...