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ISO/TS 15926-12:2018 specifies an ontology for the integration of industrial data throughout its life-cycle. The ontology is represented in Web Ontology Language (OWL).

The following are within the scope of ISO/TS 15926-12:2018:

· fundamental subclasses of an individual that exists in an actual or possible world, including physical object, activity and event;

· relationships between physical objects, activities and events, including the creation and destruction of physical objects;

· whole-part relationships between physical objects, including temporal part relationships that implement a 4-dimensional (4D) approach to change over time;

· points and periods in time;

· points and regions in space;

· the identification of points in time by text strings in the format defined by ISO 8601.

The following are outside the scope of ISO/TS 15926-12:2018:

· definitions of physical quantities and measurement scales;

· knowledge organization and document metadata specifications;

· approval and status;

· geometry and topology, including shape.