2217 search results - page 126 / 444 » Rank-aware Query Optimization |
150
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AINA
2008
IEEE
16 years 15 days ago
2008
IEEE
This paper shows that the performance of peer-to-peer resource discovery algorithms is upper bounded by a k-Steiner minimum tree and proposes an algorithm locating near-optimal qu...
146
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TACAS
2010
Springer
15 years 11 months ago
2010
Springer
We propose a general methodology for approximating the Pareto front of multi-criteria optimization problems. Our search-based methodology consists of submitting queries to a constr...
246
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ICDE
1997
IEEE
16 years 7 months ago
1997
IEEE
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 ...
142
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
164
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WECWIS
2009
IEEE
16 years 23 days ago
2009
IEEE
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...