3341 search results - page 367 / 669 » On Bounded Queries and Approximation |
173
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
132
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Query abandonment by search engine users is generally considered to be a negative signal. In this paper, we explore the concept of good abandonment. We define a good abandonment ...
201
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VLDB
2012
ACM
14 years 2 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
208
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SIGMOD
2012
ACM
13 years 9 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
189
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
Several studies have demonstrated the effectiveness of the wavelet decomposition as a tool for reducing large amounts of data down to compact wavelet synopses that can be used to ...