5 papers
A hybrid approach for building fuzzy numbers based on data and expert knowledge
Diego GarcÃa-Zamora, José Rui Figueira, Miguel Couceiro
This paper presents a hybrid socio-technical methodology for constructing fuzzy numbers from numerical data while incorporating expert knowledge through an interactive Deck of Card…
The Tournament Tree Method for preference elicitation in Multi-criteria decision-making
Diego GarcÃa-Zamora, Ãlvaro Labella, José Rui Figueira
Pairwise comparison methods, such as Fuzzy Preference Relations and Saaty's Multiplicative Preference Relations, are widely used to model expert judgments in multi-criteria decisio…
Interval-valued Value Functions from Uncertain Preferences
Diego GarcÃa-Zamora, José Rui Figueira
The construction of numerical value scales (or priority values) is a recurrent topic in decision-aiding research. However, in real contexts, uncertainty and limited cognitive preci…
Building Interval Type-2 Fuzzy Membership Function: A Deck of Cards based Co-constructive Approach
Bapi Dutta, Diego GarcÃa-Zamora, José Rui Figueira +1
Since its inception, Fuzzy Set has been widely used to handle uncertainty and imprecision in decision-making. However, conventional fuzzy sets, often referred to as type-1 fuzzy se…
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…