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» Airspace Sectorization By Constraint Programming
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IFIP12
2004
13 years 6 months ago
A Decision Support System (DSS) for the Railway Scheduling Problem
The recent deregulation occurred in the public railway sector in many parts of the world has increased the awareness of this sector of the need for quality service that must be oer...
Laura Paola Ingolotti, María Pilar Tormos, ...
CORR
2006
Springer
127views Education» more  CORR 2006»
13 years 5 months ago
A Semidefinite Relaxation for Air Traffic Flow Scheduling
We first formulate the problem of optimally scheduling air traffic low with sector capacity constraints as a mixed integer linear program. We then use semidefinite relaxation tech...
Alexandre d'Aspremont, Laurent El Ghaoui
COR
2006
120views more  COR 2006»
13 years 5 months ago
A hybrid setup for a hybrid scenario: combining heuristics for the home health care problem
Home health care, i.e. visiting and nursing patients in their homes, is a growing sector in the medical service business. From a staff rostering point of view, the problem is to f...
Stefan Bertels, Torsten Fahle
CADE
2005
Springer
14 years 5 months ago
Privacy-Sensitive Information Flow with JML
In today's society, people have very little control over what kinds of personal data are collected and stored by various agencies in both the private and public sectors. We de...
Guillaume Dufay, Amy P. Felty, Stan Matwin
CIAC
2003
Springer
98views Algorithms» more  CIAC 2003»
13 years 10 months ago
Improving Customer Proximity to Railway Stations
Abstract. We consider problems of (new) station placement along (existing) railway tracks, so as to increase the number of users. We prove that, in spite of the NP-hardness for the...
Evangelos Kranakis, Paolo Penna, Konrad Schlude, D...