1933 search results - page 86 / 387 » Query Containment Using Views |
133
Voted
ADC
2003
Springer
15 years 7 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
157
Voted
EDBT
2012
ACM
13 years 5 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
230
Voted
ICDE
2002
IEEE
16 years 3 months ago
2002
IEEE
We propose a novel approach to shape-based image retrieval that builds upon a similarity criterion which is based on the average point set distance. Compared to traditional techni...
116
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DAWAK
2001
Springer
15 years 7 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...
113
Voted
AAAI
2006
15 years 4 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...