1672 search results - page 133 / 335 » Optimizing Monitoring Queries over Distributed Data |
164
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SIGMOD
1998
ACM
15 years 10 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
170
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COLCOM
2008
IEEE
15 years 8 months ago
2008
IEEE
Abstract. Traditional workflow enactment systems and workflow design processes view the workflow as a one-time interaction with the various data sources, executing a series of step...
166
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
The Distributed Information Search COmponent (Disco) is a prototype heterogeneous distributed database that accesses underlying data sources. The Disco prototype currently focuses...
143
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ICDE
2010
IEEE
16 years 1 months ago
2010
IEEE
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
157
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PDIS
1996
IEEE
15 years 10 months ago
1996
IEEE
Accessing data from numerous widely-distributed sources poses signi cant new challenges for query optimization and execution. Congestion and failures in the network can introduce ...