Ontology and Other Semantic Options

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.

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.

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.

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.

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.

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.

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.

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.

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.

Clearer disambiguation? Thesaurus statement  Mercury (planet)  mercury (metal)  Mercury (automobile)  Mercury (mythical being)  mercury (temperature) © 2012. Access Innovations, Inc. All Rights Reserved. 2010.

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.

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.

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.

Ontology and Other Semantic Options

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