Sciweavers

1413 search results - page 213 / 283
» A new condensation principle
Sort
View
COR
2010
166views more  COR 2010»
13 years 9 months ago
Variable neighbourhood decomposition search for 0-1 mixed integer programs
In this paper we propose a new hybrid heuristic for solving 0-1 mixed integer programs based on the principle of variable neighbourhood decomposition search. It combines variable ...
Jasmina Lazic, Saïd Hanafi, Nenad Mladenovic,...
CORR
2008
Springer
105views Education» more  CORR 2008»
13 years 9 months ago
SOSEMANUK: a fast software-oriented stream cipher
Sosemanuk is a new synchronous software-oriented stream cipher, corresponding to Profile 1 of the ECRYPT call for stream cipher primitives. Its key length is variable between 128 ...
Côme Berbain, Olivier Billet, Anne Canteaut,...
DC
2008
13 years 9 months ago
Sketching asynchronous data streams over sliding windows
We study the problem of maintaining a sketch of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in wh...
Bojian Xu, Srikanta Tirthapura, Costas Busch
EOR
2010
110views more  EOR 2010»
13 years 9 months ago
Online scheduling policies for multiclass call centers with impatient customers
We consider a call center with two classes of impatient customers: premium and regular classes. Modeling our call center as a multiclass GI/GI/s + M queue, we focus on developing ...
Oualid Jouini, Auke Pot, Ger Koole, Yves Dallery
IAJIT
2008
115views more  IAJIT 2008»
13 years 9 months ago
Optimal Fuzzy Clustering in Overlapping Clusters
: The fuzzy c-means clustering algorithm has been widely used to obtain the fuzzy k-partitions. This algorithm requires that the user gives the number of clusters k. To find automa...
Ouafae Ammor, Abdelmounim Lachkar, Khadija Slaoui,...