occursRelativeTo
An object property with identifier http://rds.posccaesar.org/ontology/lis14/rdl/occursRelativeTo
| Source ontology | Industrial Data Ontology |
| is primitive | true |
| natural language definition | If x 'occurs relative to' y, then x and y are 'temporal' entities, with temporal location. |
| primitive rationale | The notion of relative location in time is introduced with this relation. |
| usage note | This relation is "abstract" (in the object-orientation sense of the word) in that it serves only as a parent relation to specialised relations of relative temporal location. |
| Comment | This relation is introduced for the DL profile as a top relation for various temporal relations between activities (only). |
| See also | ISO 15926-2:2003 'temporal_sequence' |
| Example | A vessel is emptied before inspection, a valve is opened before draining of a pipeline, firmware is installed before the equipment begins to operate. |