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215
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MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
174
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RECSYS
2009
ACM
16 years 1 months ago
2009
ACM
We present an incentive-based architecture for providing recommendations in a social network. We maintain a distinct reputation system for each individual and we rely on users to ...
202
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RECSYS
2009
ACM
16 years 1 months ago
2009
ACM
Different buyers exhibit different purchasing behaviors. Some rush to purchase new products while others tend to be more cautious, waiting for reviews from people they trust. In...
167
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SACMAT
2009
ACM
16 years 1 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
184
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SACMAT
2009
ACM
16 years 1 months 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...