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ENTCS
2002
91views more  ENTCS 2002»
15 years 4 months ago
Interval Duration Logic: Expressiveness and Decidability
We investigate a variant of dense-time Duration Calculus which permits model checking using timed/hybrid automata. We define a variant of the Duration Calculus, called Interval Du...
Paritosh K. Pandya
WWW
2007
ACM
16 years 5 months ago
The use of XML to express a historical knowledge base
Since conventional historical records have been written assuming human readers, they are not well-suited for computers to collect and process automatically. If computers could und...
Katsuko T. Nakahira, Masashi Matsui, Yoshiki Mikam...
FMCAD
2008
Springer
15 years 6 months ago
Augmenting a Regular Expression-Based Temporal Logic with Local Variables
The semantics of temporal logic is usually defined with respect to a word representing a computation path over a set of atomic propositions. A temporal logic formula does not contr...
Cindy Eisner, Dana Fisman
SP
1997
IEEE
134views Security Privacy» more  SP 1997»
15 years 8 months ago
A Logical Language for Expressing Authorizations
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
Sushil Jajodia, Pierangela Samarati, V. S. Subrahm...
LOGCOM
2010
102views more  LOGCOM 2010»
15 years 2 months ago
A Note on Expressive Coalgebraic Logics for Finitary Set Functors
This paper has two purposes. The first is to present a final coalgebra construction for finitary endofunctors on Set that uses a certain subset L∗ of the limit L of the firs...
Lawrence S. Moss