2514 search results - page 276 / 503 » On the Computation of Approximations of Database Queries |
208
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EWDW
1994
15 years 10 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
282
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
178
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SSDBM
2006
IEEE
16 years 22 days ago
2006
IEEE
Monitoring movement of high-dimensional points is essential for environmental databases, geospatial applications, and biodiversity informatics as it reveals crucial information ab...
152
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SAC
2009
ACM
16 years 1 months ago
2009
ACM
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
190
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AMW
2009
15 years 7 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...