410 search results - page 23 / 82 » Optimizing Queries with Materialized Views |
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Emerging applications such as personalized portals, enterprise search and web integration systems often require keyword search over semi-structured views. However, traditional inf...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Prior work on computing queries from materialized views has focused on views defined by expressions consisting of selection, projection, and inner joins, with an optional aggrega...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
In this paper, we propose a method for maintaining a semantic cache of materialized XPath views. The cached views include queries that have been previously asked, and additional s...
SIGMOD
2001
ACM
15 years 9 months ago
2001
ACM
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...