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» Policy Classes and Query Rewriting Algorithm for XML Securit...
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ICDE
2006
IEEE
179views Database» more  ICDE 2006»
14 years 6 months ago
ACXESS - Access Control for XML with Enhanced Security Specifications
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...
Sriram Mohan, Jonathan Klinginsmith, Arijit Sengup...
DBPL
2009
Springer
131views Database» more  DBPL 2009»
13 years 12 months ago
XML Security Views Revisited
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...
Benoît Groz, Slawomir Staworko, Anne-C&eacut...
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
14 years 5 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
SACMAT
2005
ACM
13 years 11 months ago
Generalized XML security views
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 ...
Gabriel M. Kuper, Fabio Massacci, Nataliya Rassadk...
CSFW
2003
IEEE
13 years 10 months ago
Understanding SPKI/SDSI Using First-Order Logic
SPKI/SDSI is a language for expressing distributed access control policy, derived from SPKI and SDSI. We provide a first-order logic (FOL) semantics for SDSI, and show that it ha...
Ninghui Li, John C. Mitchell