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» An Access-Control Framework for WS-BPEL
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ICC
2007
IEEE
14 years 2 months ago
A Grammar for Specifying Usage Control Policies
—Usage control goes beyond traditional access control, addressing its limitations related to attribute mutability and continuous usage permission validation. The recently propose...
Rafael Teigao, Carlos Maziero, Altair Olivo Santin
COLCOM
2007
IEEE
14 years 2 months ago
Towards trust-aware access management for ad-hoc collaborations
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
Jing Jin, Gail-Joon Ahn, Mohamed Shehab, Hongxin H...
ITRUST
2005
Springer
14 years 1 months ago
Interactive Credential Negotiation for Stateful Business Processes
Business Processes for Web Services are the new paradigm for lightweight enterprise integration. They cross organizational boundaries, are provided by entities that see each other ...
Hristo Koshutanski, Fabio Massacci
CSFW
2003
IEEE
14 years 1 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
IDEAS
2006
IEEE
99views Database» more  IDEAS 2006»
14 years 2 months ago
Securing the Borealis Data Stream Engine
As data stream management systems (DSMSs) become more and more popular, there is an increasing need to protect such systems from adversaries. In this paper we present an approach ...
Wolfgang Lindner, Jörg Meier