2063 search results - page 94 / 413 » Containment of Aggregate Queries |
107
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ATAL
2007
Springer
15 years 10 months ago
2007
Springer
Voting is a general method for aggregating the preferences of multiple agents. Each agent ranks all the possible alternatives, and based on this, an aggregate ranking of the alter...
158
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ITCC
2003
IEEE
15 years 9 months ago
2003
IEEE
We present an efficient algorithm called the Quadtree Heuristic for identifying a list of similar terms for each unique term in a large document collection. Term similarity is de...
278
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
163
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CIDR
2007
15 years 5 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
127
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BNCOD
1997
15 years 5 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...