410 search results - page 37 / 82 » Optimizing Queries with Materialized Views |
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Voted
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
OTM
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
ESWS
2011
Springer
14 years 1 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
AAAI
2006
14 years 11 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...
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...