6004 search results - page 645 / 1201 » Parallelizing query optimization |
192
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SIGIR
2011
ACM
14 years 7 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
147
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CASES
2005
ACM
15 years 7 months ago
2005
ACM
Interconnection networks have been deployed as the communication fabric in a wide range of parallel computer systems. With recent technological trends allowing growing quantities ...
130
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ISCA
2002
IEEE
15 years 10 months ago
2002
IEEE
The impact of pipeline length on the performance of a microprocessor is explored both theoretically and by simulation. An analytical theory is presented that shows two opposing ar...
IPPS
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract—This paper presents a capture of the queries managed by an eDonkey server during almost 10 weeks, leading to the observation of almost 9 billion messages involving almos...
145
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IPPS
2009
IEEE
15 years 11 months ago
2009
IEEE
We consider the operator mapping problem for in-network stream processing, i.e., the application of a tree of operators in steady-state to multiple data objects that are continuou...