872 search results - page 48 / 175 » An Access Control Language for a General Provenance Model |
MMMACNS
2001
Springer
14 years 1 months ago
2001
Springer
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
CCS
2004
ACM
14 years 2 months ago
2004
ACM
Security must be a first class citizen in the design of large scale, interacting, software applications, at early and all stages of the lifecycle, for accurate and precise policy ...
PLDI
2011
ACM
12 years 11 months ago
2011
ACM
Energy is increasingly a first-order concern in computer systems. Exploiting energy-accuracy trade-offs is an attractive choice in applications that can tolerate inaccuracies. Re...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
The agent paradigm includes the notion that agents interact with services. This paper identifies the need for controlled access to such services, from the perspective of agent sys...