111 search results - page 2 / 23 » XML Views as Integrity Constraints and their Use in Query Tr... |
EDBTW
2006
Springer
13 years 7 months ago
2006
Springer
Abstract. Since XML is used as a storage format in an increasing number of applications, security has become an important issue in XML databases. One aspect of security is restrict...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
VLDB
2002
ACM
13 years 5 months ago
2002
ACM
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
This paper addresses the question of updating relational databases through XML views. Using query trees to capture the notions of selection, projection, nesting, grouping, and het...
XSYM
2009
Springer
13 years 12 months ago
2009
Springer
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...