2092 search results - page 123 / 419 » Dynamically Distributed Query Evaluation |
146
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DEXA
2007
Springer
15 years 6 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
154
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DEXA
2009
Springer
15 years 9 months ago
2009
Springer
Metric access methods (MAMs) serve as a tool for speeding similarity queries. However, all MAMs developed so far are index-based; they need to build an index on a given database. T...
151
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JCDL
2010
ACM
15 years 8 months ago
2010
ACM
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
125
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CIKM
2008
Springer
15 years 4 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
100
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ICPP
2007
IEEE
15 years 9 months ago
2007
IEEE
—By combining an unstructured protocol with a DHT-based global index, hybrid peer-to-peer (P2P) improves search efficiency in terms of query recall and response time. The major c...