1927 search results - page 56 / 386 » An Access Control Model for Location based Services |
115
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WORDS
2002
IEEE
15 years 6 months ago
2002
IEEE
This paper shows how role-based access control (RBAC) models can be implemented in distributed object-based systems that follow OMG/CORBA standards. We introduce a novel approach ...
ENTCS
2007
15 years 1 months ago
2007
In this paper we propose a formalization of access control policies based on term rewriting. The state of the system to which policies are enforced is represented as an algebraic ...
218
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GIS
2009
ACM
16 years 2 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
138
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SPC
2005
Springer
15 years 7 months ago
2005
Springer
Alice first meets Bob in an entertainment shop, then, they wish to share multimedia content, but Do they know what are trustworthy users? How do they share such information in a s...
123
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AUSAI
2004
Springer
15 years 6 months ago
2004
Springer
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...