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PPSN
2010
Springer
13 years 6 months ago
Variable Neighborhood Search and Ant Colony Optimization for the Rooted Delay-Constrained Minimum Spanning Tree Problem
Abstract. The rooted delay-constrained minimum spanning tree problem is an NP-hard combinatorial optimization problem arising for example in the design of centralized broadcasting ...
Mario Ruthmair, Günther R. Raidl
TCBB
2008
107views more  TCBB 2008»
13 years 7 months ago
Progressive Tree Neighborhood Applied to the Maximum Parsimony Problem
Abstract-- The Maximum Parsimony problem aims at reconstructing a phylogenetic tree from DNA sequences while minimizing the number of genetic transformations. To solve this NP-comp...
Adrien Goëffon, Jean-Michel Richer, Jin-Kao H...
ECAI
2004
Springer
14 years 1 months ago
Local Search for Heuristic Guidance in Tree Search
Recent work has shown the promise in using local-search “probes” as a basis for directing a backtracking-based refinement search. In this approach, the decision about the next...
Alexander Nareyek, Stephen F. Smith, Christian M. ...
EVOW
2008
Springer
13 years 9 months ago
Efficient Local Search Limitation Strategies for Vehicle Routing Problems
In this paper we examine five different strategies for limiting the local search neighborhoods in the context of vehicle routing problems. The vehicle routing problem deals with th...
Yuichi Nagata, Olli Bräysy
ALMOB
2006
155views more  ALMOB 2006»
13 years 7 months ago
Refining motifs by improving information content scores using neighborhood profile search
The main goal of the motif finding problem is to detect novel, over-represented unknown signals in a set of sequences (e.g. transcription factor binding sites in a genome). The mo...
Chandan K. Reddy, Yao-Chung Weng, Hsiao-Dong Chian...