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DAM
2011
15 years 1 months ago
An integer L-shaped algorithm for the Dial-a-Ride Problem with stochastic customer delays
This paper considers a single-vehicle Dial-a-Ride problem in which customers may experience stochastic delays at their pickup locations. If a customer is absent when the vehicle s...
Géraldine Heilporn, Jean-François Co...
DCC
2011
IEEE
15 years 1 months ago
Improving PPM Algorithm Using Dictionaries
—We propose a method to improve traditional character-based PPM text compression algorithms. Consider a text file as a sequence of alternating words and non-words, the basic ide...
Yichuan Hu, Jianzhong (Charlie) Zhang, Farooq Khan...
EJC
2011
15 years 1 months ago
Distributive lattices, polyhedra, and generalized flows
A D-polyhedron is a polyhedron P such that if x, y are in P then so are their componentwise max and min. In other words, the point set of a D-polyhedron forms a distributive latti...
Stefan Felsner, Kolja B. Knauer
FSS
2011
93views more  FSS 2011»
15 years 1 months ago
Upper and lower probabilities induced by a fuzzy random variable
We review two existing interpretations of fuzzy random variables. In the first one, the fuzzy random variable is viewed as a linguistic random variable. In the second case, it re...
Inés Couso, Luciano Sánchez
CORR
2010
Springer
217views Education» more  CORR 2010»
15 years 1 months ago
Semi-Partitioned Hard Real-Time Scheduling with Restricted Migrations upon Identical Multiprocessor Platforms
Algorithms based on semi-partitioned scheduling have been proposed as a viable alternative between the two extreme ones based on global and partitioned scheduling. In particular, ...
François Dorin, Patrick Meumeu Yomsi, Jo&eu...
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