Sciweavers

1647 search results - page 76 / 330
» Improved Randomized Approximation Algorithms for Lot-Sizing ...
Sort
View
COMPGEOM
2003
ACM
15 years 10 months ago
Incremental constructions con BRIO
Randomized incremental constructions are widely used in computational geometry, but they perform very badly on large data because of their inherently random memory access patterns...
Nina Amenta, Sunghee Choi, Günter Rote
AAAI
2007
15 years 7 months ago
Restart Schedules for Ensembles of Problem Instances
The mean running time of a Las Vegas algorithm can often be dramatically reduced by periodically restarting it with a fresh random seed. The optimal restart schedule depends on th...
Matthew J. Streeter, Daniel Golovin, Stephen F. Sm...
PAMI
2007
176views more  PAMI 2007»
15 years 4 months ago
Approximate Labeling via Graph Cuts Based on Linear Programming
A new framework is presented for both understanding and developing graph-cut based combinatorial algorithms suitable for the approximate optimization of a very wide class of MRFs ...
Nikos Komodakis, Georgios Tziritas
ISSAC
1995
Springer
108views Mathematics» more  ISSAC 1995»
15 years 8 months ago
A Solution to the Extended GCD Problem
An improved method for expressing the greatest common divisor of n numbers as an integer linear combination of the numbers is presented and analyzed, both theoretically and practi...
Bohdan S. Majewski, George Havas
ICALP
2005
Springer
15 years 10 months ago
New Approaches for Virtual Private Network Design
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
Friedrich Eisenbrand, Fabrizio Grandoni, Gianpaolo...