5856 search results - page 451 / 1172 » Developing Query Patterns |
228
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
249
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
246
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
The problem of statistics and aggregate maintenance over data streams has gained popularity in recent years especially in telecommunications network monitoring, trend-related anal...
240
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POPL
2008
ACM
16 years 5 months ago
2008
ACM
This paper presents a demand-driven, flow-insensitive analysis algorithm for answering may-alias queries. We formulate the computation of alias queries as a CFL-reachability probl...
228
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SIGMOD
2008
ACM
16 years 5 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...