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» Weak Bisimulation Approximants
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CSFW
2003
IEEE
13 years 11 months ago
Probabilistic Noninterference through Weak Probabilistic Bisimulation
To be practical, systems for ensuring secure information flow must be as permissive as possible. To this end, the author recently proposed a type system for multi-threaded progra...
Geoffrey Smith
ENTCS
2006
141views more  ENTCS 2006»
13 years 5 months ago
Refining the Undecidability Border of Weak Bisimilarity
Weak bisimilarity is one of the most studied behavioural equivalences. This equivalence is undecidable for pushdown processes (PDA), process algebras (PA), and multiset automata (...
Mojmír Kretínský, Vojtech Reh...
CONCUR
2000
Springer
13 years 10 months ago
Weak Bisimulation for Probabilistic Systems
Abstract. In this paper, we introduce weak bisimulation in the framework of Labeled Concurrent Markov Chains, that is, probabilistic transition systems which exhibit both probabili...
Anna Philippou, Insup Lee, Oleg Sokolsky
ICFP
1996
ACM
13 years 10 months ago
A Theory of Weak Bisimulation for Core CML
Concurrent ML (CML) is an extension of Standard ML of New Jersey with concurrent features similar to those of process algebra. In this paper, we build upon John Reppy's reduc...
William Ferreira, Matthew Hennessy, Alan Jeffrey
POLICY
2009
Springer
14 years 9 days ago
Strong and Weak Policy Relations
—Access control and privacy policy relations tend to focus on decision outcomes and are very sensitive to defined terms and state. Small changes or updates to a policy language ...
Michael J. May, Carl A. Gunter, Insup Lee, Steve Z...