1672 search results - page 169 / 335 » Optimizing Monitoring Queries over Distributed Data |
200
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
262
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SIGMOD
2005
ACM
16 years 7 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...
169
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ICDE
2005
IEEE
16 years 14 days ago
2005
IEEE
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...
185
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INFOCOM
2005
IEEE
16 years 14 days ago
2005
IEEE
— Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensor network databases like TinyDB [1] are the dominant architectures...
268
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...