419 search results - page 45 / 84 » From digital audiobook to secure digital multimedia-book |
MOBISYS
2008
ACM
15 years 9 months ago
2008
ACM
Personal mobile devices are increasingly equipped with the capability to sense the physical world (through cameras, microphones, and accelerometers, for example) and the network w...
SACMAT
2009
ACM
15 years 4 months ago
2009
ACM
A number of research systems have demonstrated the benefits of accompanying each request with a machine-checkable proof that the request complies with access-control policy — a...
101
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SACMAT
2006
ACM
15 years 3 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
105
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SIGECOM
2008
ACM
14 years 9 months ago
2008
ACM
Computer users express a strong desire to prevent attacks and to reduce the losses from computer and information security breaches. However, security compromises are common and wi...
IEEESP
2006
14 years 9 months ago
2006
t a single security abstraction layer, but rather is a roblem spanning multiple abstraction levels. We use an embedded biometric authentication device to demonstratethenecessityofa...