2 papers
math.OC2026
Preference-Based Estimation of Achievement Scalarising Function Parameters via Ordinal Regression
Maria Barbati, Salvatore Greco
Estimating the parameters of an achievement scalarising function is a challenging task in multiobjective optimisation. Achievement scalarising functions are widely used in several…
math.CO2025
A Multi-Objective Portfolio of Portfolios Problem with Qualitative Performance Assessments
Maria Barbati, Salvatore Greco, José Rui Figueira
We present a multi-objective portfolio decision model that involves selecting both a portfolio of projects and a set of elements to allocate to each project. Our model includes a d…