2223 search results - page 58 / 445 » Query Optimization in an OODBMS |
133
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SSD
2007
Springer
15 years 6 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
101
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EDBTW
2004
Springer
15 years 5 months ago
2004
Springer
—Over the past few years, XML (eXtensible Mark-up Language) has emerged as the standard for information representation and data exchange over the Internet. This paper provides a ...
ECIR
2008
Springer
15 years 1 months ago
2008
Springer
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
110
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
112
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CIKM
2007
Springer
15 years 3 months ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...