983 search results - page 132 / 197 » Continuous Queries in Oracle |
165
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ICDE
2005
IEEE
15 years 11 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...
119
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EDBT
2009
ACM
14 years 7 months ago
2009
ACM
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...
173
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VLDB
2009
ACM
15 years 10 months ago
2009
ACM
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...
149
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
A cracked database is a datastore continuously reorganized based on operations being executed. For each query, the data of interest is physically reclustered to speed-up future ac...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Users often do not require a complete answer to their query but rather only a sample. They expect the sample to be either the largest possible or the most representative (or both)...