47 search results - page 3 / 10 » Access control for XML: a dynamic query rewriting approach |
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
WWW
2011
ACM
13 years 2 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
RR
2010
Springer
13 years 5 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...