9683 search results - page 304 / 1937 » Query performance prediction |
143
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KRDB
2003
15 years 5 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
168
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LPAR
2010
Springer
15 years 2 months ago
2010
Springer
We describe a technique and a tool called Qex for generating input tables and parameter values for a given parameterized SQL query. The evaluation semantics of an SQL query is tra...
208
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Database workloads consist of mixes of queries that run concurrently and interact with each other. In this paper, we demonstrate that query interactions can have a significant imp...
125
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
Skyline query has been received much attention due to its wide application backgrounds for multi-preference and decision making. In this paper we consider skyline query evaluation...
130
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CLEF
2007
Springer
15 years 10 months ago
2007
Springer
The paper describes our participation in Monolingual tasks at CLEF 2007. We submitted results for the following languages: Hungarian, Bulgarian and Czech. We focused on studying d...