Ce diaporama a bien été signalé.
Le téléchargement de votre SlideShare est en cours. ×

BuildingSMART Standards Summit 2015 - JBeetz - Product Room - Use Cases for ifcOWL and Linked Data in the buildingSMART ecosystem

Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Publicité
Chargement dans…3
×

Consultez-les par la suite

1 sur 44 Publicité

BuildingSMART Standards Summit 2015 - JBeetz - Product Room - Use Cases for ifcOWL and Linked Data in the buildingSMART ecosystem

Télécharger pour lire hors ligne

Presentation held by Jakob Beetz at the BuildingSMART Standards Summit 2015 in Singapore. The presentation was made in the Product Room and aimed at investigating and discussing the relation between the Linked Data Working Group (LDWG) and the buildingSMART Data Dictionary (bSDD) Working Group.

Presentation held by Jakob Beetz at the BuildingSMART Standards Summit 2015 in Singapore. The presentation was made in the Product Room and aimed at investigating and discussing the relation between the Linked Data Working Group (LDWG) and the buildingSMART Data Dictionary (bSDD) Working Group.

Publicité
Publicité

Plus De Contenu Connexe

Diaporamas pour vous (20)

Publicité

Similaire à BuildingSMART Standards Summit 2015 - JBeetz - Product Room - Use Cases for ifcOWL and Linked Data in the buildingSMART ecosystem (20)

Plus par Pieter Pauwels (9)

Publicité

Plus récents (20)

BuildingSMART Standards Summit 2015 - JBeetz - Product Room - Use Cases for ifcOWL and Linked Data in the buildingSMART ecosystem

  1. 1. Use cases for ifcOWL and Linked Data in the buildingSMART ecosystem Jakob Beetz, Pieter Pauwels buildingSMART Standards Summit Singapore October 2015
  2. 2. Product Information Conceptinstanceindex IFD (Concepts)Search Engine IFC (CAD) librarians manufacturers Product Information BIM Model engineer
  3. 3. Now... that should clear up a few things around here © Horrocks, Oxford University
  4. 4. PAGE14-11-2014 ★ ★★ ★★★ ★★★★ ★★★★★ Unicode URI XML + XML-NS + XML Schema RDF+RDF Schema OWL Logic Proof DigitalSignature Trust
  5. 5. BIM GIS
  6. 6. Centralized vocabulary repository
  7. 7. Peer-to-peer, distributed vocabulary repositories
  8. 8. Hybrid cascading management of distributed vocabularies buildingSMART International bSDD group End-users
  9. 9.  restricted to skos:Concept  semantically strongest with potential unwanted side effects (see [Halpin et al 2010])  semantically ‘poor’/weak
  10. 10. Similarity Ontology [Halpin et al 2010]
  11. 11. :Building-type-ifdSubject rdf:type rdf:Statement ; rdf:object :ifdSubject ; rdf:predicate rdf:type ; rdf:subject :Building ; rdfs:isDefinedBy :ifdUser_1 . :RWS { :Building rdf:type ifd:ifdSubject . :OfficeBuilding rdf:type ifd:Subject . :_ rdf:type ifd:ifdRelSpecializes . :_ ifd:relating_object :Building . :_ ifd:related_objects :OfficeBuilding } RDF reification using RDF descriptions are the default, yet somewhat cumbersome solution: Table 1 RDF reification "User 1 claims that 'Building' is an instance of ifdSubject” Another approach is to group a number of triplets into a graph Table 2 Named Graphs clustering several statements using the TriG syntax [IfdSubject] Office building [ifdSubject] Building [ifdRel Specializes] ifdRelatingPhenomenon idfRelatedPhenomena [ifdContext] “SAA Objecten” isContextFor [ifdUser] “Mick Baggen” ContextOwners [ifdOrganisation] “Rijkswaterstaat” Members [ifdOrganisation] “bsDD”Maintains Maintains Provenance issues context in RDF who-did-what-why-when-reliability-trust-thingies
  12. 12. Networked data sets: versioning issues
  13. 13. Versioning issues: solution approach using deltas (Berners-Lee et al 2005; others)
  14. 14. HVAC Engineer Constr. Engineer Building Owner Civil Engineer Structural Engineer Facilities Manager Energy Consultant Architect Shared Data Model HVAC Engineer Constr. Engineer Building Owner Civil Engineer Structural Engineer Facilities Manager Energy Consultant Architect
  15. 15. Networked data sets Modeling expert Modeling expert
  16. 16. Usage - Current state of the art: reference to bSDD from IFC according to SN/TS 2489
  17. 17. Networked data sets: The Semantic Web – technology stack
  18. 18. Networked data sets: Legacy integration
  19. 19. Semantic Enrichment prototype demo
  20. 20. SELECT DISTINCT * FROM <http://company_a.nl/projecten/offerte_zitbank> FROM <http://anotherCompany.nl/zitbank_project> WHERE { ?s rdf:type cbim:PhysicalObject . ?s cbimfs:nonFunctionalRequirement ?requirement SERVICE <http://rws.nl/projecten/aanvraag_zitbank>{ ?requirement cbimfs:nonFunctionalRequirementType ?req_type . ?requirement cbimfs:name ?req_name . } } GROUP_BY (?s)
  21. 21. • … many of things shown here are academic proof-of- concepts not tested in the grim reality • … Scalability? Performance? • … Loads of work to be done for each of these cases … even if standing on the shoulders of giants and the hive- mind • "I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.“ Abraham H. Maslow (1966). The Psychology of Science. p. 15
  22. 22. ISO 15926-11 • Industrial automation systems and integration — Integration of life-cycle data for process plants including oil and gas production facilities — Part 11: Methodology for simplified industrial usage of reference data PAGE14-11-2014
  23. 23. ISO 15926
  24. 24. ISO 15926-11 PAGE14-11-2014
  25. 25. RDL / Referenciekader in ISO 15926
  26. 26. ISO 15926 source:Paap,2010

×