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SP
2008
IEEE
13 years 11 months ago
Preventing Memory Error Exploits with WIT
Attacks often exploit memory errors to gain control over the execution of vulnerable programs. These attacks remain a serious problem despite previous research on techniques to pr...
Periklis Akritidis, Cristian Cadar, Costin Raiciu,...
WADS
2007
Springer
115views Algorithms» more  WADS 2007»
13 years 11 months ago
Alpha-Beta Witness Complexes
Building on the work of Martinetz, Schulten and de Silva, Carlsson, we introduce a 2-parameter family of witness complexes and algorithms for constructing them. This family can be ...
Dominique Attali, Herbert Edelsbrunner, John Harer...
DCG
2008
86views more  DCG 2008»
13 years 5 months ago
Reconstruction Using Witness Complexes
We present a novel reconstruction algorithm that, given an input point set sampled from an object S, builds a one-parameter family of complexes that approximate S at different sca...
Leonidas J. Guibas, Steve Oudot
ATVA
2004
Springer
77views Hardware» more  ATVA 2004»
13 years 10 months ago
Localizing Errors in Counterexample with Iteratively Witness Searching
We propose a novel approach to locate errors in complex counterexample of safety property. Our approach measures the distance between two state transition traces with difference o...
ShengYu Shen, Ying Qin, Sikun Li
CORR
2011
Springer
155views Education» more  CORR 2011»
12 years 9 months ago
On the Generation of Positivstellensatz Witnesses in Degenerate Cases
One can reduce the problem of proving that a polynomial is nonnegative, or more generally of proving that a system of polynomial inequalities has no solutions, to finding polynomi...
David Monniaux, Pierre Corbineau