443 search results - page 53 / 89 » Relational Approach to Logical Query Optimization of XPath |
PVLDB
2010
13 years 6 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
14 years 1 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
13 years 11 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
14 years 23 days 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...
COOPIS
2004
IEEE
13 years 11 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...