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EVOW
2007
Springer
13 years 11 months ago
A Probabilistic Beam Search Approach to the Shortest Common Supersequence Problem
The Shortest Common Supersequence Problem (SCSP) is a well-known hard combinatorial optimization problem that formalizes many real world problems. This paper presents a novel rando...
Christian Blum, Carlos Cotta, Antonio J. Fern&aacu...
STOC
2003
ACM
126views Algorithms» more  STOC 2003»
14 years 5 months ago
A new approach to dynamic all pairs shortest paths
We study novel combinatorial properties of graphs that allow us to devise a completely new approach to dynamic all pairs shortest paths problems. Our approach yields a fully dynam...
Camil Demetrescu, Giuseppe F. Italiano
MP
1998
105views more  MP 1998»
13 years 4 months ago
Capacitated facility location: Separation algorithms and computational experience
We consider the polyhedral approach to solving the capacitated facility location problem. The valid inequalities considered are the knapsack, ow cover, e ective capacity, single d...
Karen Aardal
ALENEX
2004
121views Algorithms» more  ALENEX 2004»
13 years 6 months ago
Experimental Comparison of Shortest Path Approaches for Timetable Information
We consider two approaches that model timetable information in public transportation systems as shortestpath problems in weighted graphs. In the time-expanded approach every event...
Evangelia Pyrga, Frank Schulz, Dorothea Wagner, Ch...
JCO
2002
96views more  JCO 2002»
13 years 4 months ago
On the Robust Single Machine Scheduling Problem
The single machine scheduling problem with sum of completion times criterion (SS) can be solved easily by the Shortest Processing Time (SPT) rule. In the case of significant uncert...
Jian Yang, Gang Yu