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» On a restricted cross-intersection problem
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SAT
2009
Springer
121views Hardware» more  SAT 2009»
15 years 11 months ago
The Complexity of Reasoning for Fragments of Default Logic
Default logic was introduced by Reiter in 1980. In 1992, Gottlob classified the complexity of the extension existence problem for propositional default logic as Σp 2-complete, an...
Olaf Beyersdorff, Arne Meier, Michael Thomas, Heri...
ICDCS
2002
IEEE
15 years 9 months ago
The Complexity of Adding Failsafe Fault-Tolerance
In this paper, we focus our attention on the problem of automating the addition of failsafe fault-tolerance where fault-tolerance is added to an existing (fault-intolerant) progra...
Sandeep S. Kulkarni, Ali Ebnenasir
TDSC
2008
152views more  TDSC 2008»
15 years 4 months ago
Towards Formal Verification of Role-Based Access Control Policies
Specifying and managing access control policies is a challenging problem. We propose to develop formal verification techniques for access control policies to improve the current s...
Somesh Jha, Ninghui Li, Mahesh V. Tripunitara, Qih...
CORR
2008
Springer
110views Education» more  CORR 2008»
15 years 4 months ago
The Tractability of Model-Checking for LTL: The Good, the Bad, and the Ugly Fragments
In a seminal paper from 1985, Sistla and Clarke showed that the model-checking problem for Linear Temporal Logic (LTL) is either NP-complete or PSPACE-complete, depending on the se...
Michael Bauland, Martin Mundhenk, Thomas Schneider...
TMC
2010
196views more  TMC 2010»
15 years 2 months ago
Joint Routing, Channel Assignment, and Scheduling for Throughput Maximization in General Interference Models
—Throughput optimization in wireless networks with multiple channels and multiple radio interfaces per node is a challenging problem. For general traffic models (given a set of ...
Mahmoud Al-Ayyoub, Himanshu Gupta