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SACMAT
2010
ACM
13 years 7 months ago
2010
ACM
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
TWC
2008
13 years 8 months ago
2008
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
SACMAT
2011
ACM
12 years 11 months ago
2011
ACM
The advent of emerging technologies such as Web services, serviceoriented architecture, and cloud computing has enabled us to perform business services more efficiently and effec...
UIST
1997
ACM
14 years 25 days ago
1997
ACM
Asynchronous collaboration is characterized by the degree of independence collaborators have from one another. In particular, collaborators working asynchronously typically have l...
IPPS
1999
IEEE
14 years 28 days ago
1999
IEEE
Multidimensional Analysis and On-Line Analytical Processing (OLAP) uses summary information that requires aggregate operations along one or more dimensions of numerical data value...