Ontology and Other Semantic Options

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An overview of the differences between an ontology and a taxonomy, the Ontology Web Language (OWL), and the appropriate times to use an ontology. Presented by Dr. Jay Ven Eman at the 2012 Data Harmony User Group meeting on February 9, 2012 at the Access Innovations, Inc. offices.

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Ontology and Other Semantic Options

  1. 1. Ontology and Other Semantic Options February 9, 2012 Access Innovations, Inc. Leveraging Your Content Semantically Jay Ven Eman, Ph.D., CEO j_ven_eman@accessinn.com www.accessinn.com www.dataharmony.com +1.505.998.0800 Albuquerque, NM© 2012. Access Innovations, Inc. All rights reserved.
  2. 2. Ontology From philosophy – the science of describing  Kinds of entities in the world  How they are related © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  3. 3. Taxonomy, Thesaurus, & Ontology Taxonomies and thesauri are not ontologies They are entities or “conceptualizations” Ontology – science of describing kinds of entities For thesauri and taxonomies  “a specification of a conceptualization”  (Source: Gruber, 1993) © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  4. 4. Taxonomy, Thesaurus, & Ontology OWL output  Provides semantic meaning to these kinds of entities or conceptualizations  Web resource  Accessible to automated processes OWL? © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  5. 5. Scientific classification Kingdom: Animalia Phylum: Chordata Class: Aves Order: Strigiformes Families: Strigidae Tytonidae© 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  6. 6. Spotted Owl© 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  7. 7. © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  8. 8. © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  9. 9. OWL Web Ontology Language W3C Recommendation 10 February 2004 http://www.w3.org/TR/2004/Rec-owl-guide-20040210/ http://www.w3.org/TR/2004/Rec-owl-ref-20040210/ http://www.w3.org/TR/2004/Rec-webont-req-20040210/ © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  10. 10. OWL “…is intended to provide a language that can be used to describe  the classes and  relations between them that are inherent in Web documents and applications.” © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  11. 11. OWL Formalize a domain by defining  Classes  Properties of those classes Define individuals  Assert properties about them Reason about these  Classes and  Individuals © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  12. 12. OWL Ontology May include  Classes  Properties  Instances Capture semantics Multiple, distributed, related ontology schema Normative OWL exchange syntax RDF/XML  Resource Description Framework/Extensible Markup Language © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  13. 13. Topics, associations,occurrences doc-type MLB article Sports use-for http://www.newindexer.com/mlb.htm/ member-of descriptor-for Professional baseball author-of related-to member-of Professional athletes Baseball member-of Amateur baseball Smithmember-of Little league http://www.swaa.org © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  14. 14. Hierarchical View Term© 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  15. 15. ANSI/NISO Z39.19-200x© 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  16. 16. Clearer disambiguation? OWL statement<PreferredTerm rdf:ID="T3195"><rdfs:label xml:lang="en">Mercury (Planets)</rdfs:label><BroaderTerm rdf:resource="#T3896" newsindexer:alpha="Planets"/></PreferredTerm> © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  17. 17. Clearer disambiguation? Temperature Planets IsA TypeOf IsA BrandOf Mercury Roman god IsA Automobile Metallic element © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  18. 18. Clearer disambiguation? Thesaurus statement  Mercury (planet)  mercury (metal)  Mercury (automobile)  Mercury (mythical being)  mercury (temperature) © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  19. 19. Ontology - when Industry or domain specific initiative Leverage over players/participants Significant competitive advantage Compelling need to extend beyond taxonomy to other taxonomies and other content repositories and content types Otherwise wait © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  20. 20. Ontology - when Industry or domain specific initiative  Leverage over player/participants  Competitive advantage Other specifications of other conceptualizations © 2012. Access Innovations, Inc. All Rights Reserved. 2010.
  21. 21. Ontology and Other Semantic Options February 9, 2012 Thank you! Questions? Access Innovations, Inc. Leveraging Your Content Semantically Jay Ven Eman, Ph.D., CEO j_ven_eman@accessinn.com www.accessinn.com www.dataharmony.com +1.505.998.0800 Albuquerque, NM© 2012. Access Innovations, Inc. All rights reserved.

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