14761 search results - page 2576 / 2953 » Optimization in Data Mining |
277
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
302
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
302
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Monitoring is an issue of primary concern in current and next generation networked systems. For example, the objective of sensor networks is to monitor their surroundings for a va...
257
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
187
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PPOPP
2010
ACM
16 years 4 months ago
2010
ACM
LOFAR is the first of a new generation of radio telescopes. Rather than using expensive dishes, it forms a distributed sensor network that combines the signals from many thousands...