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SWIMing VoCamp 2016 - ifcOWL overview and current state

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SWIMing VoCamp 2016 - ifcOWL overview and current state

  1. 1. ifcOWL overview and current state SWIMing VoCamp Pieter Pauwels Ghent University 22–23 March 2016, Dublin, Ireland
  2. 2. 1. LDWG 2. IFC and ifcOWL 3. Ontology Outline 4. Future
  3. 3. LDWG
  4. 4. [WWW1] http://www.buildingsmart-tech.org/future/linked-data/ [WWW2] http://www.buildingsmart.org/standards/standards-organization/groups/linked-data-working- group/ [mailing list] lbd@lists.buildingsmart.org [mailing list] REGISTER AT https://lists.buildingsmart.org/listinfo/lbd 4
  5. 5. 5 Singapore ITM October 2015 Rotterdam ISM April 2016 LDAC 2015 Eindhoven CIB W78 2015 Eindhoven LDAC 2014 Helsinki SWIMing VoCamp 2016 Dublin LDAC 2016 Madrid Toronto ITM October 2014 Watford ITM March 2015
  6. 6. 6 http://www.buildingsmart- tech.org/future/linked-data/
  7. 7. Aims: 1. ifcOWL ontology 2. align with buildingSMART efforts 3. LD-oriented support 7
  8. 8. 8 Image courtesy: Jakob Beetz, TU Eindhoven ifcOWL SAREF FIEMSER …
  9. 9. IFCOWL
  10. 10. EXPRESSIFC-SPF XSDXML ifcOWLRDF
  11. 11. conversion procedure EXPRESS schema to OWL IFC Schema Simple data type Defined data type Aggregation data type SET data type -------- LIST & ARRAY data type -------- Constructed data type SELECT data type -------- ENUMERATION data type -------- Entity data type Attributes -------- Derive attr WHERE rules Functions Rules ifcOWL Ontology owl:class + owl:DatatypeProperty restriction owl:class owl:class -------- non-functional owl:ObjectProperty -------- indirect subclass of express:List owl:class -------- rdfs:subClassOf for owl:classes -------- rdf:type for owl:NamedIndividuals owl:class -------- object properties - - - - Pieter Pauwels and Walter Terkaj, EXPRESS to OWL for construction industry: towards a recommendable and usable ifcOWL ontology. Automation in Construction 63: 100-133 (2016).
  12. 12. ifcOWL ontologies available Ifc2x_all_lf.exp IFC2X2_ADD1.exp IFC2X2_FINAL.exp IFC2X2_PLATFORM.exp IFC2X3_Final.exp IFC2X3_TC1.exp IFC4.exp IFC4_ADD1.exp not supported not supported not supported not supported IFC2X3_Final.owl / .ttl IFC2X3_TC1.owl / .ttl IFC4.owl / .ttl IFC4_ADD1.owl / .ttl http://ifcowl.openbimstandards.org/IFC4_ADD1 http://ifcowl.openbimstandards.org/IFC4 http://ifcowl.openbimstandards.org/IFC2X3_Final http://ifcowl.openbimstandards.org/IFC2X3_TC1
  13. 13. 13 HTML documentation pages
  14. 14. Axioms 21306 Logical Axioms 13649 Classes 1230 Object properties 1578 Data properties 5 Individuals 1627 DL expressivity SROIQ(D) SubClassOf axioms 4622 EquivalentClasses axioms 266 DisjointClasses axioms 2429 SubObjectPropertyOf axioms 1 InverseObjectProperties axioms 94 FunctionalObjectProperty axioms 1441 TransitiveObjectProperty axioms 1 ObjectPropertyDomain axioms 1577 ObjectPropertyRange axioms 1576 FunctionalDataProperty axioms 5 DataPropertyDomain axioms 5 DataPropertyRange axioms 5 Pieter Pauwels and Walter Terkaj, EXPRESS to OWL for construction industry: towards a recommendable and usable ifcOWL ontology. Automation in Construction 63: 100-133 (2016).
  15. 15. Ontology
  16. 16. IFC-SPF: 110kb IFC-TTL: 767kb
  17. 17. Future
  18. 18. ifcOWL IFC-rules IFCWoD … ifcOWL
  19. 19. ifcOWL RDFIFC-SPF ifcOWLEXPRESS RDF simpleBIM
  20. 20. inst:IfcWindow_1893 inst:IfcWindow_1842 inst:IfcWallStandardCase_696 sbim:hasWindowsbim:hasWindow ifcOWL
  21. 21. REGULATIONS inference engine OWL ontologies query User RDF Repository interface IF-THEN rule repository response in RDF graph
  22. 22. MVD IFC SPF IFC EXPRESS IFC RDF graph ifcOWL double conversion / translation SUBSET IFC SPF (MVD) SUBSET IFC EXPRESS (MVD SPEC in EXP) SUBSET IFC RDF graph (MVD) SUBSET MVD ontology (MVD SPEC in OWL) selection file (MVDXML) rewrite rules (or queries)
  23. 23. bSDD
  24. 24. Thank you Pieter Pauwels, Ghent University pipauwel.pauwels@ugent.be
  25. 25. 34
  26. 26. 35 http://www.buildingsmart- tech.org/future/linked-data/
  27. 27. 36
  28. 28. 37
  29. 29. 38 HTML documentation pages (2)
  30. 30. 39 HTML documentation pages (3)
  31. 31. Pieter Pauwels and Walter Terkaj, EXPRESS to OWL for construction industry: towards a recommendable and usable ifcOWL ontology. Automation in Construction 63: 100-133 (2016).
  32. 32. 41 Conversion via a RESTful web interface Public demo server: http://smartlab1.elis.ugent.be:8889/IFC-repo/
  33. 33. Outlook
  34. 34. buildingSMART Linked Data Working Group IFC and ifcOWL Outlook beyond the horizon Outline
  35. 35. • explorations & collaborations within BuildingSMART: – Product Room: bSDD • Explore integration/coupling of bSDD with ifcOWL • Explore publication, processing of bSDD as Linked Data – Building Room: MVD development, BIMGuides (through bsDD) – Regulatory Room: formal representation of rules – MSG: Close collaboration on schema evolvement and technical aspects – Technical Room: Contribution to discussions over future roadmaps – Integrated Digital Built Environment: Contribution to discussions • supporting use cases beyond the buildingSMART rooms: – SWIMing (Energy Efficiency) – OGC (Geography) – SAREF (Smart Appliances) – ReadyForSmartCities – DURAARK (archival) Outreach
  36. 36. INFRA GIS SAREF

Notes de l'éditeur

  • 1230 OWL classes
    1578 object properties
    1627 individuals

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