30 search results - page 4 / 6 » The Consistency of Task-Based Authorization Constraints in W... |
CAISE
2004
Springer
13 years 11 months ago
2004
Springer
In UML2.0, significant efforts have been devoted towards a better definition of OCL. Still, the adoption of the language by the software engineers remains a significant challenge....
CCS
2008
ACM
13 years 7 months ago
2008
ACM
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
ATAL
2007
Springer
13 years 9 months ago
2007
Springer
We investigate the properties of a multiagent system where each (distributed) agent locally perceives its environment. Upon perception of an unexpected event, each agent locally c...
ICAC
2006
IEEE
13 years 11 months ago
2006
IEEE
— The increasing heterogeneity, dynamism, and uncertainty of emerging DCE (Distributed Computing Environment) systems imply that an application must be able to detect and adapt t...
ATAL
2006
Springer
13 years 9 months ago
2006
Springer
We report on our ongoing practical experience in designing, implementing, and deploying PTIME, a personalized agent for time management and meeting scheduling in an open, multi-ag...