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IPCO
2007
108views Optimization» more  IPCO 2007»
13 years 11 months ago
Orbital Branching
We introduce orbital branching, an effective branching method for integer programs containing a great deal of symmetry. The method is based on computing groups of variables that a...
James Ostrowski, Jeff Linderoth, Fabrizio Rossi, S...
AI
2008
Springer
13 years 10 months ago
Conditional independence and chain event graphs
Graphs provide an excellent framework for interrogating symmetric models of measurement random variables and discovering their implied conditional independence structure. However,...
Jim Q. Smith, Paul E. Anderson
JAL
2008
89views more  JAL 2008»
13 years 10 months ago
Experimenting with parallelism for the instantiation of ASP programs
Abstract. In the last few years, the microprocessors technologies have been definitely moving to multi-core architectures, in order to improve performances as well as reduce power ...
Francesco Calimeri, Simona Perri, Francesco Ricca
TOMS
2011
101views more  TOMS 2011»
13 years 4 months ago
Partitioned Triangular Tridiagonalization
Abstract. We present a partitioned algorithm for reducing a symmetric matrix to a tridiagonal form, with partial pivoting. That is, the algorithm computes a factorization P AP T = ...
Miroslav Rozlozník, Gil Shklarski, Sivan To...
IDEAS
2005
IEEE
111views Database» more  IDEAS 2005»
14 years 3 months ago
Evaluation of Queries on Tree-Structured Data Using Dimension Graphs
The recent proliferation of XML-based standards and technologies for managing data on the Web demonstrates the need for effective and efficient management of treestructured data....
Theodore Dalamagas, Dimitri Theodoratos, Antonis K...