283 search results - page 32 / 57 » A study of the effect of term proximity on query expansion |
TREC
2004
13 years 9 months ago
2004
In the experiment described in this paper, we investigate the effectiveness of a document-independent technique for eliciting additional information from searchers about their inf...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...
MM
2004
ACM
14 years 1 months ago
2004
ACM
Image annotations allow users to access a large image database with textual queries. There have been several studies on automatic image annotation utilizing machine learning techn...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...