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98
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COCO
1998
Springer
86views Algorithms» more  COCO 1998»
15 years 5 months ago
The Satisfiability Problem for Probabilistic Ordered Branching Programs
We show that the satisfiability problem for bounded-error probabilistic ordered branching programs is NP-complete. If the error is very small, however (more precisely, if the erro...
Manindra Agrawal, Thomas Thierauf
99
Voted
COR
2004
291views more  COR 2004»
15 years 17 days ago
Cycling in linear programming problems
We collected and analyzed a number of linear programming problems that have been shown to cycle (not converge) when solved by Dantzig's original simplex algorithm. For these ...
Saul I. Gass, Sasirekha Vinjamuri
100
Voted
ACSC
2006
IEEE
15 years 6 months ago
A semantic approach to boost passage retrieval effectiveness for question answering
In the current state of the rapid growth of information resources and the huge number of requests submitted by users to existing information retrieval systems; recently, Question ...
Bahadorreza Ofoghi, John Yearwood, Ranadhir Ghosh
CSFW
2010
IEEE
15 years 4 months ago
Dynamic vs. Static Flow-Sensitive Security Analysis
—This paper seeks to answer fundamental questions about trade-offs between static and dynamic security analysis. It has been previously shown that flow-sensitive static informat...
Alejandro Russo, Andrei Sabelfeld
111
Voted
ESORICS
2000
Springer
15 years 4 months ago
Using Reflection as a Mechanism for Enforcing Security Policies in Mobile Code
Several authors have proposed using code modification as a technique for enforcing security policies such as resource limits, access controls, and network information flows. Howeve...
Ian Welch, Robert J. Stroud