6974 search results - page 985 / 1395 » Querying Semi-Structured Data |
165
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WSDM
2010
ACM
16 years 4 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
179
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WSDM
2010
ACM
16 years 1 months ago
2010
ACM
Web search engines are traditionally evaluated in terms of the relevance of web pages to individual queries. However, relevance of web pages does not tell the complete picture, si...
161
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WSDM
2009
ACM
16 years 1 months ago
2009
ACM
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...
167
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ICDE
2005
IEEE
16 years 12 days ago
2005
IEEE
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...
181
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MIR
2005
ACM
16 years 11 days ago
2005
ACM
Learning semantics from annotated images to enhance content-based retrieval is an important research direction. In this paper, annotation data are assumed available for only a sub...