2145 search results - page 171 / 429 » Answering Queries Using Views |
124
Voted
PODS
2003
ACM
16 years 4 months ago
2003
ACM
In this paper we propose a new bottom-up query evaluation method for stratified deductive databases based on the Magic Set approach. As the Magic Sets rewriting may lead to unstra...
144
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ATAL
2004
Springer
15 years 9 months ago
2004
Springer
Combinatorial auctions, where agents can bid on bundles of items (resources, tasks, etc.), are desirable because the agents can express complementarity and substitutability among ...
128
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HOTOS
2003
IEEE
15 years 9 months ago
2003
IEEE
Data replication is a widely used technique for achieving fault tolerance and improved performance. With the advent of content delivery networks, it is becoming more and more freq...
130
Voted
DAWAK
2001
Springer
15 years 8 months ago
2001
Springer
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
125
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AAAI
2006
15 years 5 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...