- decision maker, DM
A domain expert with adequate expertise related to an optimization problem able to provide preference information.
- Pareto optimal solution
A feasible solution to a multiobjective optimization problem which corresponds to an objective vector that cannot be exchanged for any other objective vector resulting from some other feasible solution wihtout having to make a trade-off in at least one objective value.
- Pareto front
The set of Pareto optimal solutions.
- nadir (point)
The worst possible objective values of a Pareto front.
- ideal (point)
The best possible objective values of a Pareto front.
- reference point
Desirable aspiration levels for each objective function.