443 search results - page 53 / 89 » Relational Approach to Logical Query Optimization of XPath |
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PVLDB
2010
14 years 8 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
FBIT
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper describes a decision tree model and 3dimensional representation of information retrieved from various weblogs in relation to argumentative logics. The weblogs are consi...
SIGMOD
1997
ACM
15 years 1 months ago
1997
ACM
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
ICDT
2003
ACM
15 years 2 months ago
2003
ACM
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
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COOPIS
2004
IEEE
15 years 1 months ago
2004
IEEE
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...