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ACTA
2008
136views more  ACTA 2008»
15 years 6 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»
15 years 7 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
16 years 6 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»
15 years 11 months ago
Multicommodity Flow Approximation Used for Exact Graph Partitioning
Meinolf Sellmann, Norbert Sensen, Larissa Timajev
ISAAC
2004
Springer
106views Algorithms» more  ISAAC 2004»
15 years 11 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