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Authors: Nicole Drechsler 1 ; Andre Sülflow 2 and Rolf Drechsler 3

Affiliations: 1 University of Bremen, Germany ; 2 solvertec GmbH, Germany ; 3 University of Bremen and DFKI GmbH, Germany

Keyword(s): Many-Objective Optimization, Nurse Rostering Problem, Relation ε-Preferred, User Preferences.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Evolutionary Computing ; Evolutionary Multiobjective Optimization ; Soft Computing

Abstract: During the last 10 years, many-objective optimization problems, i.e. optimization problems with more than three objectives, are getting more and more important in the area of multi-objective optimization. Many real- world optimization problems consist of more than three mutually dependent subproblems, that have to be considered in parallel. Furthermore, the objectives have different levels of importance. For this, priorities have to be assigned to the objectives. In this paper we present a new model for many-objective optimization called Prio-ε-Preferred, where the objectives can have different levels of priorities or user preferences. This relation is used for ranking a set of solutions such that an ordering of the solutions is determined. Prio-ε- Preferred is controlled by a parameter ε, that is problem specific and has to be adjusted experimentally by the designer. Therefore, we also present an extension called Adapted-ε-Preferred (AEP), that determines the ε values automatically without any user interaction. To demonstrate the efficiency of our approach, experiments are performed. (More)

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Paper citation in several formats:
Drechsler, N.; Sülflow, A. and Drechsler, R. (2013). Incorporating User Preferences in Many-Objective Optimization using Relation Epsilon-Preferred. In Proceedings of the 5th International Joint Conference on Computational Intelligence - ECTA, (IJCCI 2013) ISBN 978-989-8565-77-8; ISSN 2184-2825, pages 67-74. DOI: 10.5220/0004496000670074

@conference{ecta13,
author={Nicole Drechsler. and Andre Sülflow. and Rolf Drechsler.},
title={Incorporating User Preferences in Many-Objective Optimization using Relation Epsilon-Preferred},
booktitle={Proceedings of the 5th International Joint Conference on Computational Intelligence - ECTA, (IJCCI 2013)},
year={2013},
pages={67-74},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004496000670074},
isbn={978-989-8565-77-8},
issn={2184-2825},
}

TY - CONF

JO - Proceedings of the 5th International Joint Conference on Computational Intelligence - ECTA, (IJCCI 2013)
TI - Incorporating User Preferences in Many-Objective Optimization using Relation Epsilon-Preferred
SN - 978-989-8565-77-8
IS - 2184-2825
AU - Drechsler, N.
AU - Sülflow, A.
AU - Drechsler, R.
PY - 2013
SP - 67
EP - 74
DO - 10.5220/0004496000670074

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