61 search results - page 3 / 13 » Query Rewriting Algorithm Evaluation for XML Security Views |
ICDE
2010
IEEE
14 years 5 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...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
We present ACXESS (Access Control for XML with Enhanced Security Specifications), a system for specifying and enforcing enhanced security constraints on XML via virtual "secu...
CIKM
2004
Springer
13 years 11 months ago
2004
Springer
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
DBPL
2009
Springer
14 years 2 days ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...