4790 search results - page 504 / 958 » Reverse Query Processing |
230
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
202
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
To address increasing traffic congestion and its associated consequences, traffic managers are turning to intelligent transportation management. The latte project is extending dat...
212
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
218
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...
159
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...