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FUIN
2006
139views more  FUIN 2006»
13 years 8 months ago
Efficient Parallel Query Processing by Graph Ranking
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
Dariusz Dereniowski, Marek Kubale
IJCGA
2006
91views more  IJCGA 2006»
13 years 8 months ago
The Tsp and the Sum of its Marginal Values
This paper introduces a new notion related to the traveling salesperson problem (TSP) -the notion of the TSP ratio. The TSP ratio of a TSP instance I is the sum of the marginal va...
Moshe Dror, Yusin Lee, James B. Orlin, Valentin Po...
EOR
2007
87views more  EOR 2007»
13 years 8 months ago
The TV-Break Packing Problem
Instead of selling advertisement spots one by one, some French satellite channels decided in 2002 to modify their commercial offer in order to sell packages of spots. These new g...
Thierry Benoist, Eric Bourreau, Benoît Rotte...
MANSCI
2006
82views more  MANSCI 2006»
13 years 8 months ago
Pricing American-Style Derivatives with European Call Options
We present a new approach to pricing American-style derivatives that is applicable to any Markovian setting (i.e., not limited to geometric Brownian motion) for which European cal...
Scott B. Laprise, Michael C. Fu, Steven I. Marcus,...
ICPR
2010
IEEE
13 years 7 months ago
Incremental Training of Multiclass Support Vector Machines
We present a new method for the incremental training of multiclass Support Vector Machines that provides computational efficiency for training problems in the case where the trai...
Symeon Nikitidis, Nikos Nikolaidis, Ioannis Pitas