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MP
2006
119views more  MP 2006»
13 years 7 months ago
Approximate extended formulations
Mixed integer programming (MIP) formulations are typically tightened through the use of a separation algorithm and the addition of violated cuts. Using extended formulations involv...
Mathieu Van Vyve, Laurence A. Wolsey
ALGORITHMICA
2005
149views more  ALGORITHMICA 2005»
13 years 7 months ago
Approximating Maximum Weight Cycle Covers in Directed Graphs with Weights Zero and One
A cycle cover of a graph is a spanning subgraph each node of which is part of exactly one simple cycle. A k-cycle cover is a cycle cover where each cycle has length at least k. Gi...
Markus Bläser, Bodo Manthey
COLING
2010
13 years 2 months ago
Opinion Summarization with Integer Linear Programming Formulation for Sentence Extraction and Ordering
In this paper we propose a novel algorithm for opinion summarization that takes account of content and coherence, simultaneously. We consider a summary as a sequence of sentences ...
Hitoshi Nishikawa, Takaaki Hasegawa, Yoshihiro Mat...
AIR
2010
96views more  AIR 2010»
13 years 8 months ago
Logic programming for combinatorial problems
Combinatorial problems appear in many areas in science, engineering, biomedicine, business, and operations research. This article presents a new intelligent computing approach for...
Toshinori Munakata, Roman Barták
4OR
2004
99views more  4OR 2004»
13 years 7 months ago
Upper bounds for revenue maximization in a satellite scheduling problem
This paper presents upper bounds for the Satellite Revenue Selection and Scheduling problem (SRSS). A compact model of this generalized Prize Collecting Traveling Salesman Problem ...
Thierry Benoist, Benoît Rottembourg