2536 search results - page 263 / 508 » Gravitation-based model for information retrieval |
KCAP
2005
ACM
14 years 1 months ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
SIGIR
2003
ACM
14 years 1 months ago
2003
ACM
Thesaurus has been widely used in many applications, including information retrieval, natural language processing, and question answering. In this paper, we propose a novel approa...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
In recent years, a lot of research effort has been dedicated to the management of Quality of Service (QoS), mainly in the fields of telecommunication networks and multimedia syste...
WWW
2005
ACM
14 years 9 months ago
2005
ACM
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...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
In this paper, we propose a novel unsupervised approach to query segmentation, an important task in Web search. We use a generative query model to recover a query's underlyin...