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Linked Data

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Overview page for the Linked Data Working Group

This page contains the technical information regarding the developments of the BuildingSMART Linked Data Working Group (LDWG). This group focuses first and foremost on the development and maintenance of a recommended ifcOWL ontology. Also within scope is the usage of linked data and semantic web technologies for support to other BuildingSMART International development efforts: MVD, bSDD, regulations, BIM Guides.

The ifcOWL ontology

A live version of the ifcOWL ontology is available at the following URIs:

These ontologies follow agreements made within the Linked Data Working Group (see the report of the 3rd Int'l Workshop on Linked Data in Architecture at TUEindhoven).

Scope of the Linked Data Working Group

  • ifcOWL
  • explorations & collaborations within BuildingSMART:
    • Infrastructure Room: linked data for infra
    • Product Room: bSDD
    • Regulatory Room: formal representation of rules
    • Building Room: MVD development

Join the Linked Data Working Group

The group has monthly meetings to discuss technical progress. If you wish to join the Linked Data Working Group and take part in these meetings, thenĀ please notify Pieter Pauwels () or Jakob Beetz (), chairs of this group; and watch your inbox for upcoming meeting invitations.


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