2217 search results - page 346 / 444 » Rank-aware Query Optimization |
127
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ECIR
2009
Springer
16 years 2 months ago
2009
Springer
Ranking for multilingual information retrieval (MLIR) is a task to rank documents of different languages solely based on their relevancy to the query regardless of query’s langu...
164
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FOCS
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract— A number of recent results on optimization problems involving submodular functions have made use of the ”multilinear relaxation” of the problem [3], [8], [24], [14]...
139
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SSDBM
2005
IEEE
15 years 10 months ago
2005
IEEE
This paper introduces a framework for Phenomena Detection and Tracking (PDT, for short) in sensor network databases. Examples of detectable phenomena include the propagation over ...
155
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SSDBM
2003
IEEE
15 years 10 months ago
2003
IEEE
String data is ubiquitous, and its management has taken on particular importance in the past few years. Approximate queries are very important on string data especially for more c...
144
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SIGMOD
1989
ACM
15 years 9 months ago
1989
ACM
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...