2217 search results - page 173 / 444 » Rank-aware Query Optimization |
219
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SIGIR
2012
ACM
13 years 8 months ago
2012
ACM
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
267
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
191
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BTW
2007
Springer
16 years 18 days ago
2007
Springer
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
184
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DOLAP
2000
ACM
15 years 10 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
208
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
—Shortest distance query between two nodes is a fundamental operation in large-scale networks. Most existing methods in the literature take a landmark embedding approach, which s...