1452 search results - page 1 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
CIKM
2001
Springer
13 years 9 months ago
2001
Springer
Query expansion has been shown effective for both single database retrieval and for distributed information retrieval where complete collection information is available. One might...
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
ECIR
2009
Springer
13 years 3 months ago
2009
Springer
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
ESWS
2009
Springer
13 years 11 months ago
2009
Springer
This thesis investigates the question whether and how ontologies such as the ones currently evolving in the Semantic Web can serve as knowledge structures for the generation of que...
SIGIR
2006
ACM
13 years 11 months ago
2006
ACM
In this poster, we describe the study of an interface technique that provides a list of suggested additional query terms as a searcher types a search query, in effect offering int...