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174
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ICDIM
2007
IEEE
16 years 1 months ago
2007
IEEE
: This paper proposes a context-aware security service providing multiple authentications and authorization from a Security Level which is decided dynamically in a context-aware en...
186
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CCS
2007
ACM
16 years 1 months ago
2007
ACM
Systematic approaches to measuring security are needed in order to obtain evidence of the security performance of products or an organization. In this study we survey the emerging...
173
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SGAI
2007
Springer
16 years 29 days ago
2007
Springer
In this paper we describe a novel technique which implements a spatiotemporal model as a set of sub-models based on first order logic. These sub-models model different, typicall...
192
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication ...
181
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We study the multiple antenna half-duplex relay channel from the diversity-multiplexing tradeoff (DMT) perspective. We find performance upper bounds and show that compress-and...