714 search results - page 7 / 143 » Conceptual Query Expansion |
JISE
2007
13 years 7 months ago
2007
This paper presents an interactive query expansion method with association thesaurus, which is mined from the ‘selected web pages’ of users in the query logs. The ‘selected w...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
CLEF
2004
Springer
14 years 1 months ago
2004
Springer
This paper describes the fourth participation of IR-n system (Alicante University) at CLEF conferences. At present conference, we have modified the similarity measure and the que...
TREC
2000
13 years 9 months ago
2000
In this paper we report on the effectiveness of query-biased summaries for a question-answering task. Our summarisation system presents searchers with short summaries of documents...
DEXA
2004
Springer
14 years 1 months ago
2004
Springer
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...