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CORR
2008
Springer
110views Education» more  CORR 2008»
15 years 6 months ago
Justifications for Logic Programs under Answer Set Semantics
The paper introduces the notion of off-line justification for Answer Set Programming (ASP). Justifications provide a graph-based explanation of the truth value of an atom w.r.t. a ...
Enrico Pontelli, Tran Cao Son, Omar El-Khatib
DISOPT
2008
85views more  DISOPT 2008»
15 years 6 months ago
How tight is the corner relaxation?
Given a mixed-integer linear programming (MILP) model and an optimal basis of the associated linear programming relaxation, the Gomory's corner relaxation is obtained by drop...
Matteo Fischetti, Michele Monaci
AUTOMATICA
2006
77views more  AUTOMATICA 2006»
15 years 6 months ago
Brand image and brand dilution in the fashion industry
We develop a dynamic optimal control model of a fashion designer's challenge of maintaining brand image in the face of short-term pro...t opportunities through expanded sales...
Peter M. Kort, Jonathan P. Caulkins, Richard F. Ha...
DAM
2006
116views more  DAM 2006»
15 years 6 months ago
Using graphs for some discrete tomography problems
Given a rectangular array where entries represent the pixels of a digitalized image, we consider the problem of reconstructing an image from the number of occurrences of each colo...
Marie-Christine Costa, Dominique de Werra, Christo...
IS
2006
15 years 6 months ago
Answering content and structure-based queries on XML documents using relevance propagation
As XML documents contain both content and structure information, taking advantage of the document structure in the retrieval process can lead to better identify relevant informati...
Karen Sauvagnat, Mohand Boughanem, Claude Chrismen...