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ATMOS
2007
129views Optimization» more  ATMOS 2007»
13 years 9 months ago
Solving a Real-World Train Unit Assignment Problem
We face a real-world train unit assignment problem for an operator running trains in a regional area. Given a set of timetabled train trips, each with a required number of passenge...
Valentina Cacchiani, Alberto Caprara, Paolo Toth
SIAMCO
2002
81views more  SIAMCO 2002»
13 years 7 months ago
Optimality Conditions for Irregular Inequality-Constrained Problems
Abstract. We consider feasible sets given by conic constraints, where the cone defining the constraints is convex with nonempty interior. We study the case where the feasible set i...
Alexey F. Izmailov, Mikhail V. Solodov
SERP
2010
13 years 5 months ago
Role Explosion: Acknowledging the Problem
- In large enterprises subject to constant employee turnover and challenging security policies, the administration of Role-based Access Control (RBAC) is a daunting task that is of...
Aaron Elliott, Scott Knight
EXACT
2009
13 years 5 months ago
Explaining a Result to the End-User: A Geometric Approach for Classification Problems
This paper addresses the issue of the explanation of the result given to the end-user by a classifier, when it is used as a decision support system. We consider machine learning cl...
Isabelle Alvarez, Sophie Martin
EMO
2003
Springer
81views Optimization» more  EMO 2003»
14 years 22 days ago
Solving Hierarchical Optimization Problems Using MOEAs
Abstract. In this paper, we propose an approach for solving hierarchical multi-objective optimization problems (MOPs). In realistic MOPs, two main challenges have to be considered:...
Christian Haubelt, Sanaz Mostaghim, Jürgen Te...