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TNN
2008
128views more  TNN 2008»
13 years 10 months ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
COREGRID
2007
Springer
14 years 5 months ago
Optimal Closest Policy with Qos and Bandwidth Constraints
This paper deals with the replica placement problem on fully homogeneous tree networksknownasthe Replica Placementoptimizationproblem. Theclient requests are known beforehand, whil...
Veronika Rehn-Sonigo
PPL
2007
71views more  PPL 2007»
13 years 10 months ago
Scheduling Algorithms for Data Redistribution and Load-Balancing on Master-Slave Platforms
In this work we are interested in the problem of scheduling and redistributing data on master-slave platforms. We consider the case were the workers possess initial loads, some of...
Loris Marchal, Veronika Rehn, Yves Robert, Fr&eacu...
CAGD
2008
292views more  CAGD 2008»
13 years 11 months ago
Rotations, translations and symmetry detection for complexified curves
A plane algebraic curve can be represented as the zero-set of a polynomial in two - or if one takes homogenous coordinates: three - variables. The coefficients of the polynomial de...
Peter Lebmeir, Jürgen Richter-Gebert
ISSAC
1992
Springer
95views Mathematics» more  ISSAC 1992»
14 years 3 months ago
Real Algebraic Closure of an Ordered Field: Implementation in Axiom
Real algebraic numbers appear in many Computer Algebra pro bJems. For inst ante the determination of a cylindrical algebraic decomposition for an euclidian space requires compu ti...
Renaud Rioboo