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175
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SACMAT
2009
ACM
16 years 27 days ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
206
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TJS
2002
15 years 6 months ago
2002
Abstract-The current trend in constructing high-performance computing systems is to connect a large number of machines via a fast interconnect or a large-scale network such as the ...
164
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
The Semantic Web promises to open innumerable opportunities for automation and information retrieval by standardizing the protocols for metadata exchange. However, just as the succ...
170
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Characterizing the relationship that exists between a person's social group and his/her personal behavior has been a long standing goal of social network analysts. In this pa...
179
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MOBICOM
2009
ACM
16 years 27 days ago
2009
ACM
A growing number of mobile computing applications are centered around the user’s location. The notion of location is broad, ranging from physical coordinates (latitude/longitude...