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» Secure Distributed Human Computation
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ICTAI
2009
IEEE
16 years 1 months ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
DRM
2003
Springer
15 years 11 months ago
Experiences with the enforcement of access rights extracted from ODRL-based digital contracts
In this paper, we present our experiences concerning the enforcement of access rights extracted from ODRL-based digital contracts. We introduce the generalized Contract Schema (Co...
Susanne Guth, Gustaf Neumann, Mark Strembeck
SIGOPSE
1998
ACM
15 years 10 months ago
Nested Java processes: OS structure for mobile code
The majority of work on protection in single-language mobile code environments focuses on information security issues and depends on the language environment for solutions to the ...
Patrick Tullmann, Jay Lepreau
ACMICEC
2008
ACM
195views ECommerce» more  ACMICEC 2008»
15 years 8 months ago
DRM domain authentication using electronic payment systems
This paper focuses on the problem of how to allow sharing of copyrighted content between a set of authorised devices and preventing unauthoried copying of content to other devices...
Imad M. Abbadi, Muntaha Alawneh
TMI
2002
113views more  TMI 2002»
15 years 6 months ago
Spatiotemporal reconstruction of list mode PET data
We describe a method for computing a continuous time estimate of tracer density using list-mode positron emission tomography data. The rate function in each voxel is modeled as an ...
Thomas E. Nichols, Jinyi Qi, Evren Asma, Richard M...