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ifcOWL

This folder keeps the documents related to the development of an ifcOWL ontology that can be published in-sync with IFC specifications. The ifcOWL ontology is meant to be used to allow extensions towards other structured data sets that are made available using semantic web technologies. The ifcOWL ontology is built and maintained by the BuildingSMART Linked Data Working Group.
20150522_draft
Draft version (22 May 2015) of the ifcOWL ontology that is to be discussed by the Linked Data Working Group.
20150917_draft
Draft version (17 Sep. 2015) of the ifcOWL ontology that is to be discussed by the Linked Data Working Group.
20150925_latest
Final version (25 Sep. 2015) of the ifcOWL ontology that is to be proposed by the Linked Data Working Group at the BuildingSMART Standards Summit in Singapore (Oct. 2015).
File EXPRESS-to-OWL conversion
Technical Report that documents the EXPRESS-to-OWL conversion routine that the BuildingSMART Linked Data Working Group (LDWG) proposes to the standardisation committee of BuildingSMART.
ifcOWL development log
Overview of the previous ifcOWL versions