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» An Axiomatization of Lamport's Temporal Logic of Actions
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SP
1996
IEEE
116views Security Privacy» more  SP 1996»
13 years 9 months ago
Defining Noninterference in the Temporal Logic of Actions
Covert channels are a critical concern for multilevel secure (MLS) systems. Due to their subtlety, it is desirable to use formal methods to analyze MLS systems for the presence of...
Todd Fine
TCS
1998
13 years 4 months ago
Proving Possibility Properties
A method is described for proving “always possibly” properties of specifications in formalisms with linear-time trace semantics. It is shown to be relatively complete for TLA...
Leslie Lamport
AMAST
2004
Springer
13 years 9 months ago
Refining Mobile UML State Machines
We study the semantics and refinement of mobile objects, considering an extension of core UML state machines by primitives that designate the location of objects and their moves wi...
Alexander Knapp, Stephan Merz, Martin Wirsing
PODC
1994
ACM
13 years 9 months ago
Open Systems in TLA
We describe a method for writing assumption/guarantee specifications of concurrent systems. We also provide a proof rule for reasoning about the composition of these systems. Spec...
Martín Abadi, Leslie Lamport