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Domain ontology

• case: A problem description, solution pair; A given mapping from a point in the source space to a point in the solution space.

• case base: The store of the sources cases.

• source case: An available case in the case base.

• target problem: A problem presented to the problem solver.

• solution adjustment: Modification of the solution description of a source case based on the difference between the problem description of this source case and the problem case.

• solution adjustment model: A specification of how each solution attribute must change with changes in each problem attribute; this model indicates how to extrapolate from a source case.

• problem description: A quantitative description of an input problem.

• solution description: A quantitative description of a solution.

• region updating: Resizing of applicability zones after the introduction of a new source case.

• region: The applicability zone of a case in the problem space.

• similarity metric: A method to represent the similarity between two problem cases.

• validated point: Source case.