Semiautomatic Generation of Code Ontology Using ifcOWL in Compliance Checking

Table 5

Property extension content mapping relationship.

Clauses	Concepts	Entity in IFC	Restriction	Extended property	Value type
7.1.3	Track	IfcTrackElement		StructureType	IfcDescriptiveMeasure
7.1.3	Track	IfcTrackElement		DesignedLifetime	IfcTimeMeasure
22.6.3	Cable	IfcCableSegment		HalogenProof	IfcBoolean
22.6.3	Cable	IfcCableSegment		IsFlameRetardant	IfcBoolean
22.6.3	Cable	IfcCableSegment		IsInsulation	IfcBoolean
25.1.15	Escalator	IfcTransportElement	PredefinedType ESCALATOR	Height	IfcLengthMeasure
25.1.15	Escalator	IfcTransportElement		RatedVelocity	IfcLinearVelocityMeasure
25.1.15	Escalator	IfcTransportElement		StepNumber	IfcCountMeasure
28.2.5	Fire door	IfcDoor	ObjectType FireDoor	Rating	IfcDescriptiveMeasure
28.2.5	Fire window	IfcWindow	ObjectType FireWindow	Rating	IfcDescriptiveMeasure
28.2.5	Slab	IfcSlab		FireEndurance	IfcTimeMeasure
13.2.31	Mechanical ventilation system	IfcDistributionSystem	ObjectType MechanicalVentilation	ExhaustMode	IfcDescriptiveMeasure