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ACTA
2008
136views more  ACTA 2008»
13 years 8 months ago
Two-dimensional packing with conflicts
We study the two-dimensional version of the bin packing problem with conflicts. We are given a set of (two-dimensional) squares V = {1, 2, . . . , n} with sides s1, s2 . . . , sn ...
Leah Epstein, Asaf Levin, Rob van Stee
APPROX
2010
Springer
193views Algorithms» more  APPROX 2010»
13 years 10 months ago
Approximation Algorithms for the Directed k-Tour and k-Stroll Problems
We consider two natural generalizations of the Asymmetric Traveling Salesman problem: the k-Stroll and the k-Tour problems. The input to the k-Stroll problem is a directed n-verte...
MohammadHossein Bateni, Julia Chuzhoy
WWW
2005
ACM
14 years 9 months ago
Partitioning of Web graphs by community topology
We introduce a stricter Web community definition to overcome boundary ambiguity of a Web community defined by Flake, Lawrence and Giles [2], and consider the problem of finding co...
Hidehiko Ino, Mineichi Kudo, Atsuyoshi Nakamura
ESA
2003
Springer
110views Algorithms» more  ESA 2003»
14 years 1 months ago
Multicommodity Flow Approximation Used for Exact Graph Partitioning
Meinolf Sellmann, Norbert Sensen, Larissa Timajev
ISAAC
2004
Springer
106views Algorithms» more  ISAAC 2004»
14 years 2 months ago
Minimum Common String Partition Problem: Hardness and Approximations
String comparison is a fundamental problem in computer science, with applications in areas such as computational biology, text processing or compression. In this paper we address t...
Avraham Goldstein, Petr Kolman, Jie Zheng