Distribution based representative sets for multi-objective integer programs


Ozarik S. S. , Lokman B. , Koksalan M.

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, cilt.284, ss.632-643, 2020 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 284 Konu: 2
  • Basım Tarihi: 2020
  • Doi Numarası: 10.1016/j.ejor.2020.01.001
  • Dergi Adı: EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
  • Sayfa Sayıları: ss.632-643

Özet

We study and exploit the characteristics of the nondominated sets of Multi-objective Integer Programs (MOIPs). We introduce a density measure and search for common properties of the distributions of nondominated points for different MOIPs. We design a procedure that categorizes the nondominated set into regions based on the densities of nondominated points. We develop an approach that generates representative sets of nondominated points using the estimated density information in different regions for general MOIPs. Experiments show that our approach is robust across different types of MOIPs. (C) 2020 Elsevier B.V. All rights reserved.