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MMMACNS
2005
Springer
16 years 6 days ago
A Modal Logic for Role-Based Access Control
Making correct access-control decisions is central to security, which in turn requires accounting correctly for the identity, credentials, roles, authority, and privileges of users...
Thumrongsak Kosiyatrakul, Susan Older, Shiu-Kai Ch...
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
QEST
2007
IEEE
16 years 29 days ago
Qualitative Logics and Equivalences for Probabilistic Systems
We investigate logics and equivalence relations that capture the qualitative behavior of Markov Decision Processes (MDPs). We present Qualitative Randomized Ctl (Qrctl): formulas o...
Luca de Alfaro, Krishnendu Chatterjee, Marco Faell...
WLP
2007
Springer
16 years 24 days ago
spock: A Debugging Support Tool for Logic Programs under the Answer-Set Semantics
Answer-set programming (ASP) is an emerging logic-programming paradigm that strictly separates the description of a problem from its solving methods. Despite its semantic elegance,...
Martin Gebser, Jörg Pührer, Torsten Scha...
AICOM
2006
129views more  AICOM 2006»
15 years 6 months ago
A backjumping technique for Disjunctive Logic Programming
In this work we present a backjumping technique for Disjunctive Logic Programming (DLP) under the Answer Set Semantics. It builds upon related techniques that had originally been p...
Francesco Ricca, Wolfgang Faber, Nicola Leone