Sciweavers

3874 search results - page 85 / 775
» Approximation Algorithms for k-hurdle Problems
Sort
View
FOCS
2002
IEEE
15 years 2 months ago
A Constant-Factor Approximation Algorithm for the Multicommodity
We present the first constant-factor approximation algorithm for network design with multiple commodities and economies of scale. We consider the rent-or-buy problem, a type of m...
Amit Kumar, Anupam Gupta, Tim Roughgarden
CP
2003
Springer
15 years 3 months ago
Approximated Consistency for Knapsack Constraints
Knapsack constraints are a key modeling structure in discrete optimization and form the core of many real-life problem formulations. Only recently, a cost-based filtering algorit...
Meinolf Sellmann
AAAI
2004
14 years 11 months ago
The Practice of Approximated Consistency for Knapsack Constraints
Knapsack constraints are a key modeling structure in discrete optimization and form the core of many real-life problem formulations. Only recently, a cost-based filtering algorith...
Meinolf Sellmann
SDM
2007
SIAM
137views Data Mining» more  SDM 2007»
14 years 11 months ago
Are approximation algorithms for consensus clustering worthwhile?
Consensus clustering has emerged as one of the principal clustering problems in the data mining community. In recent years the theoretical computer science community has generated...
Michael Bertolacci, Anthony Wirth
CPM
2005
Springer
206views Combinatorics» more  CPM 2005»
15 years 3 months ago
A Fast Algorithm for Approximate String Matching on Gene Sequences
Abstract. Approximate string matching is a fundamental and challenging problem in computer science, for which a fast algorithm is highly demanded in many applications including tex...
Zheng Liu, Xin Chen, James Borneman, Tao Jiang