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» Towards Flexible Authorization Management
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COMPSAC
2007
IEEE
13 years 11 months ago
Conformance Checking of Access Control Policies Specified in XACML
Access control is one of the most fundamental and widely used security mechanisms. Access control mechanisms control which principals such as users or processes have access to whi...
Vincent C. Hu, Evan Martin, JeeHyun Hwang, Tao Xie
CCS
2008
ACM
13 years 9 months ago
On spatio-temporal constraints and inheritance in role-based access control
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
Liang Chen, Jason Crampton
ESORICS
2008
Springer
13 years 9 months ago
On the Security of Delegation in Access Control Systems
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
Qihua Wang, Ninghui Li, Hong Chen
IJEB
2007
127views more  IJEB 2007»
13 years 7 months ago
Factors mediating the routinisation of e-learning within a traditional university education environment
Technology-enhanced or Computer Aided Learning (e-learning) can be institutionally integrated and supported by learning management systems or Virtual Learning Environments (VLEs) ...
Shafqat Hameed, John Mellor, Atta Badii, Niyati Pa...
OTM
2010
Springer
13 years 6 months ago
A Process View Framework for Artifact-Centric Business Processes
Over the past several years, the artifact-centric approach to workflow has emerged as a new paradigm of business process modelling. It provides a robust structure of workflow and s...
Sira Yongchareon, Chengfei Liu