536 search results - page 28 / 108 » An XML Schema integration and query mechanism system |
WWW
2001
ACM
14 years 8 months ago
2001
ACM
Representation of negotiations in electronic markets and their support are important issues in today's e-commerce research. Whereas most activities are focused on automation ...
ICDIM
2007
IEEE
14 years 1 months ago
2007
IEEE
: Integrated access to distributed data is an important problem faced in scientific and commercial applications. A data integration system provides a unified view for users to subm...
ICEIS
2006
IEEE
14 years 1 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
IJCAI
2003
13 years 9 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
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 ...