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HM
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. In this work we extend a VNS for the periodic vehicle routing problem with time windows (PVRPTW) to a multiple VNS (mVNS) where several VNS instances are applied cooperat...
GI
2001
Springer
15 years 4 months ago
2001
Springer
We describe the design and experiences gained with the database- and web-based document server DOL, which we developed at the University of Leipzig (http://dol.uni-leipzig.de). Th...
WER
2001
Springer
15 years 4 months ago
2001
Springer
Workflow technology has reached a reasonable degree of maturity, with a number of both research prototypes and commercial systems available. However, methodological issues have rec...
SC
2000
ACM
15 years 4 months ago
2000
ACM
Hierarchical algorithms such as multigrid applications form an important cornerstone for scientific computing. In this study, we take a first step toward evaluating parallel lan...
IPPS
1999
IEEE
15 years 4 months ago
1999
IEEE
The ability to dynamically adapt an unstructured grid (or mesh) is a powerful tool for solving computational problems with evolving physical features; however, an efficient parall...