Distribution based representative sets for multi-objective integer programs

Sami Ozarik (Corresponding author), Banu Lokman, Murat Köksalan

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)


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.
Original languageEnglish
Pages (from-to)632-643
Number of pages12
JournalEuropean Journal of Operational Research
Issue number2
Publication statusPublished - 16 Jul 2020


  • Density-based quality measure
  • Multi-Objective Integer Programs
  • Nondominated point
  • Representative set


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