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ANOR
2007
126views more  ANOR 2007»
15 years 6 months ago
Lifting, superadditivity, mixed integer rounding and single node flow sets revisited
In this survey we attempt to give a unified presentation of a variety of results on the lifting of valid inequalities, as well as a standard procedure combining mixed integer roun...
Quentin Louveaux, Laurence A. Wolsey
CORR
2006
Springer
116views Education» more  CORR 2006»
15 years 6 months ago
Rewriting modulo in Deduction modulo
Abstract. We study the termination of rewriting modulo a set of equations in the Calculus of Algebraic Constructions, an extension of the Calculus of Constructions with functions a...
Frédéric Blanqui
ENTCS
2007
91views more  ENTCS 2007»
15 years 6 months ago
Rule-Based Operational Semantics for an Imperative Language
Operational semantics for programming languages usually come in two flavours: big-step and small-step. Both are defined using deduction rules with a congruence rule allowing redu...
Florent Kirchner, François-Régis Sin...
JRTIP
2006
114views more  JRTIP 2006»
15 years 6 months ago
Sensor band selection for multispectral imaging via average normalized information
The information-rich scene descriptors created by multispectral sensors can act as a bottleneck in further analysis. Many of the spectral band selection methods treat the two under...
Hongzhi Wang, Elli Angelopoulou
PR
2008
97views more  PR 2008»
15 years 6 months ago
SVD based initialization: A head start for nonnegative matrix factorization
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method designed to enhance the initialization stage of nonnegative matrix factorization (NMF). NNDSVD c...
Christos Boutsidis, Efstratios Gallopoulos