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» Index Sets of Computable Structures with Decidable Theories
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CORR
2011
Springer
160views Education» more  CORR 2011»
13 years 3 months ago
When is social computation better than the sum of its parts?
good solutions to complex problems. In many examples, individuals trying to solve superior global solution. This suggests that there may be general principles of information aggre...
Vadas Gintautas, Aric A. Hagberg, Luís M. A...
PODS
2007
ACM
171views Database» more  PODS 2007»
14 years 8 months ago
Monadic datalog over finite structures with bounded treewidth
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
Georg Gottlob, Reinhard Pichler, Fang Wei
DCG
2010
121views more  DCG 2010»
13 years 5 months ago
Compression Schemes, Stable Definable Families, and o-Minimal Structures
We show that any family of sets uniformly definable in an ominimal structure has an extended compression scheme of size equal to the number of parameters in the defining formula. ...
H. R. Johnson, M. C. Laskowski
BIRTHDAY
2004
Springer
13 years 11 months ago
On Model Checking Data-Independent Systems with Arrays with Whole-Array Operations
Abstract. We consider programs which are data independent with respect to two type variables X and Y , and can in addition use arrays indexed by X and storing values from Y . We ar...
Ranko Lazic, Thomas Christopher Newcomb, A. W. Ros...
COMPGEOM
2004
ACM
14 years 1 months ago
A 2D kinetic triangulation with near-quadratic topological changes
Given a set of n points S in the plane, a triangulation of S is a subdivision of the convex hull into triangles whose vertices are from S. In the kinetic setting, the input point ...
Pankaj K. Agarwal, Yusu Wang, Hai Yu