224 search results - page 8 / 45 » Rewriting XPath Queries Using Materialized Views |
CCS
2007
ACM
14 years 1 months ago
2007
ACM
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
AAAI
2006
13 years 9 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
DOCENG
2003
ACM
14 years 27 days ago
2003
ACM
XPath [3, 5] is a powerful and quite successful language able to perform complex node selection in trees through compact specifications. As such, it plays a growing role in many ...
SACMAT
2005
ACM
14 years 1 months ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...
VLDB
2005
ACM
14 years 1 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...