14 search results - page 2 / 3 » Extending Query Rewriting Techniques for Fine-Grained Access... |
ADC
2008
Springer
13 years 7 months ago
2008
Springer
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
SIS
2007
13 years 6 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
NTMS
2008
IEEE
13 years 11 months ago
2008
IEEE
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...
ICDE
2009
IEEE
13 years 3 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
CSFW
2003
IEEE
13 years 10 months ago
2003
IEEE
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...