5 papers
The Tournament Tree Method for preference elicitation in Multi-criteria decision-making
Diego García-Zamora, Álvaro 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 García-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…
On the Computational Complexity of Multi-Objective Ordinal Unconstrained Combinatorial Optimization
José Rui Figueira, Kathrin Klamroth, Michael Stiglmayr +1
Multi-objective unconstrained combinatorial optimization problems (MUCO) are in general hard to solve, i.e., the corresponding decision problem is NP-hard and the outcome set is in…
New Multi-objective Partial Optimisation Decomposition Strategies for the Thesis Defence Scheduling Problem
João Almeida, Alexandre Francisco, Daniel Santos +1
A new multi-objective method for the thesis defence scheduling problem is introduced. The problem involves appointing committees to defences and assigning them to a time slot and r…
A hybrid meta-heuristic for the generation of feasible large-scale course timetables using instance decomposition
João Almeida, José Rui Figueira, Alexandre P. Francisco +1
This study introduces a hybrid meta-heuristic for generating feasible course timetables in large-scale scenarios. We conducted tests using our university's instances. The current c…