9683 search results - page 1462 / 1937 » Predicting query performance |
275
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
The area of automatic selection of physical database design to optimize the performance of a relational database system based on a workload of SQL queries and updates has gained p...
291
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
215
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Publication
Keyframe extraction constitutes a fundamental unit in many video retrieval-related applications. In the emerging research field of content-based video copy detection, efficient rep...
187
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SC
2009
ACM
16 years 1 months ago
2009
ACM
Current visualization tools lack the ability to perform fullrange spatial and temporal analysis on terascale scientific datasets. Two key reasons exist for this shortcoming: I/O ...
184
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WSDM
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we attempt to improve the effectiveness and the efficiency of query-dependent link-based ranking algorithms such as HITS, MAX and SALSA. All these ranking algorith...