9683 search results - page 390 / 1937 » Predicting query performance |
271
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
173
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SSDBM
2009
IEEE
16 years 1 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
197
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WAIM
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Modern large distributed applications, such as telecommunication and banking services, need to respond instantly to a huge number of queries within a short period of time...
160
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
In this paper we examine user queries with respect to diversity: providing a mix of results across different interpretations. Using two query log analysis techniques (click entrop...
211
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WIDM
2009
ACM
16 years 1 months ago
2009
ACM
As the volume of multimedia data available on internet is tremendously increasing, the content-based similarity search becomes a popular approach to multimedia retrieval. The most...