5954 search results - page 411 / 1191 » Querying Bi-level Information |
200
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DBSEC
2006
15 years 8 months ago
2006
Abstract. Controlled Query Evaluation (CQE) offers a logical framework to prevent a user of a database from inadvertently gaining knowledge he is not allowed to know. By modeling t...
207
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TREC
2004
15 years 8 months ago
2004
Our experiments in the Robust track this year focused on predicting query difficulty and using this prediction for improving information retrieval. We developed two prediction alg...
212
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ISTA
2003
15 years 8 months ago
2003
: Reported is the methodology of the semantic transformation of an initial user’s search query in the form of key words or key phrases to the resulting query composed of the rele...
191
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IWMMDBMS
1996
15 years 8 months ago
1996
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
201
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CLEF
2008
Springer
15 years 8 months ago
2008
Springer
This paper reports our multimedia information retrieval experiments carried out for the ImageCLEF track (ImageCLEFwiki). The task is to answer to user information needs, i.e. quer...