Derivation

Directed
yes
Source end
Allowed
Relator
Multiplicity
1 - 1
Target end
Allowed
material
Multiplicity
1 - 1
Binary properties
Reflexivity
no
Transitivity
no
Symmetry
no
Cyclicity
no

Definition

«Material» relation can be completely derived (via «Derivation») from the «Relator» and the corresponding «Mediation» relations. Derivation makes the cardinality constraints of the mediation relations collapse (see «Material» relation, example 2).

Also, several «Material» relations can be derived from a single «Relator» and «Mediation» relations (see «Material» relation, example 1).

Common questions

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Examples

EX1: Example Treatment

For more examples see «Relator», «Material», and Relator pattern.

Quoted from:

GUIZZARDI, Giancarlo. Introduction to Ontological Engineering. [presentation] Prague: Prague University of Economics, 2011.