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MFCS
2001
Springer
14 years 1 months ago
The k-Median Problem for Directed Trees
Abstract Marek Chrobak1 , Lawrence L. Larmore2 , and Wojciech Rytter3,4 1 Department of Computer Science, University of California Riverside, CA 92521 2 Department of Computer Scie...
Marek Chrobak, Lawrence L. Larmore, Wojciech Rytte...
DAM
2011
13 years 3 months ago
An integer L-shaped algorithm for the Dial-a-Ride Problem with stochastic customer delays
This paper considers a single-vehicle Dial-a-Ride problem in which customers may experience stochastic delays at their pickup locations. If a customer is absent when the vehicle s...
Géraldine Heilporn, Jean-François Co...
ECAI
2006
Springer
14 years 12 days ago
Self-Organizing Multiagent Approach to Optimization in Positioning Problems
The facility positioning3 problem concerns the location of facilities such as bus-stops, fire stations, schools, so as to optimize one or several objectives. This paper contributes...
Sana Moujahed, Olivier Simonin, Abderrafiaa Koukam...
NETWORKS
2010
13 years 7 months ago
A branch-and-cut algorithm for the pickup and delivery traveling salesman problem with LIFO loading
In the Traveling Salesman Problem with Pickup and Delivery (TSPPD) a single vehicle must serve a set of customer requests, each defined by an origin location where a load must be...
Jean-François Cordeau, Manuel Iori, Gilbert...
BMCBI
2007
146views more  BMCBI 2007»
13 years 8 months ago
Spatial location and its relevance for terminological inferences in bio-ontologies
Background: An adequate and expressive ontological representation of biological organisms and their parts requires formal reasoning mechanisms for their relations of physical aggr...
Stefan Schulz, Kornél G. Markó, Udo ...