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» On the consistency of cardinal direction constraints
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IJCAI
2003
13 years 8 months ago
Propagate the Right Thing: How Preferences Can Speed-Up Constraint Solving
We present an algorithm Pref-AC that limits arc consistency (AC) to the preferred choices of a tree search procedure and that makes constraint solving more efficient without chan...
Christian Bessière, Anaïs Fabre, Ulric...
CORR
2000
Springer
84views Education» more  CORR 2000»
13 years 7 months ago
The Role of Commutativity in Constraint Propagation Algorithms
stract setting. Then we instantiate this algorithm with specific partial orderings and functions to obtain specific constraint propagation algorithms. In particular, using the noti...
Krzysztof R. Apt
STOC
2012
ACM
221views Algorithms» more  STOC 2012»
11 years 9 months ago
From query complexity to computational complexity
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
Shahar Dobzinski, Jan Vondrák
PAMI
2007
187views more  PAMI 2007»
13 years 6 months ago
Detecting Motion Regions in the Presence of a Strong Parallax from a Moving Camera by Multiview Geometric Constraints
—We present a method for detecting motion regions in video sequences observed by a moving camera in the presence of a strong parallax due to static 3D structures. The proposed me...
Chang Yuan, Gérard G. Medioni, Jinman Kang,...
STOC
1993
ACM
123views Algorithms» more  STOC 1993»
13 years 11 months ago
Constructing small sample spaces satisfying given constraints
Abstract. The subject of this paper is nding small sample spaces for joint distributions of n discrete random variables. Such distributions are often only required to obey a certa...
Daphne Koller, Nimrod Megiddo