103 search results - page 13 / 21 » Views and queries: determinacy and rewriting |
ICDT
2001
ACM
14 years 2 months ago
2001
ACM
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
VLDB
2001
ACM
14 years 10 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
SIGMOD
1997
ACM
14 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...
ESWS
2008
Springer
13 years 11 months ago
2008
Springer
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...