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ENTCS
2008
97views more  ENTCS 2008»
13 years 8 months ago
An Algorithm for Approximating the Satisfiability Problem of High-level Conditions
The satisfiability problem is the fundamental problem in proving the conflict-freeness of specifications, or in finding a counterexample for an invalid statement. In this paper, w...
Karl-Heinz Pennemann
KES
2008
Springer
13 years 8 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini
ALGORITHMICA
2002
101views more  ALGORITHMICA 2002»
13 years 8 months ago
Improved Algorithms for Constructing Fault-Tolerant Spanners
Let S be a set of n points in a metric space, and k a positive integer. Algorithms are given that construct k-fault-tolerant spanners for S. If in such a spanner at most k vertice...
Christos Levcopoulos, Giri Narasimhan, Michiel H. ...
DC
2002
13 years 8 months ago
Restoration by path concatenation: fast recovery of MPLS paths
A new general theory about restoration of network paths is first introduced. The theory pertains to restoration of shortest paths in a network following failure, e.g., we prove th...
Yehuda Afek, Anat Bremler-Barr, Haim Kaplan, Edith...
JSA
2008
131views more  JSA 2008»
13 years 8 months ago
Formal verification of ASMs using MDGs
We present a framework for the formal verification of abstract state machine (ASM) designs using the multiway decision graphs (MDG) tool. ASM is a state based language for describ...
Amjad Gawanmeh, Sofiène Tahar, Kirsten Wint...