This paper describes/represents an approach to the design of an information retrieval of providing an search of users. The Next generation of information systems will rely on coll...
Assistance in retrieving of documents on the World Wide Web is provided either by search engines, through keyword based queries, or by catalogues, which organise documents into hi...
We investigate a representative case of sudden information need change of Web users. By analyzing search engine query logs, we show that the majority of queries submitted by users...
This paper surveys previous work on combining planning techniques with expressive representations of knowledge in description logics to reason about tasks, plans, and goals. Descr...
In this paper we report an extensive analysis of the different business models for auctions found on the Web. Three hundred websites randomly selected from the main search engines...