2095 search results - page 205 / 419 » Modeling and Querying Semi-structured Data |
305
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...
158
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SIGIR
2006
ACM
16 years 15 days ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
262
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
194
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ICDE
2005
IEEE
16 years 4 days ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
183
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...