2850 search results - page 295 / 570 » Answering Queries using Humans, Algorithms and Databases |
130
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PODS
2001
ACM
16 years 4 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
110
Voted
VLDB
1989
ACM
15 years 8 months ago
1989
ACM
We present a framework for the estimation of the size of binary recursively defined relations. We show how the framework can be used to provide estimating algo rithms for the size...
155
Voted
PODS
2008
ACM
16 years 4 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
139
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EDBT
1990
ACM
15 years 8 months ago
1990
ACM
Deductive Databases are coming of age with the emergence of efficient and easy to use systems that support queries, reasoning, and application development on databases through dec...
151
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CIKM
2005
Springer
15 years 9 months ago
2005
Springer
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...