, an ontology for discovery on the web


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Quick overview of presented at UK Ontology Network meeting, Edinburgh 11 Apr 2013.

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  1. 1., an ontology for discovery on the web Phil Barker, Heriot-Watt University @philbarker
  2. 2. Centre for Educational Technology and Interoperability Standards Supporting innovation and interoperability in educational technology Learning Resource Metadata InitiativeMake it easier to find educational resources by developing acommon metadata framework (within to describe theireducational characteristics
  3. 3. is a joint effort, in the spirit of, toimprove the web by creating a structured data markup schemasupported by major search engines. On-page markup helpssearch engines understand the information on web pages andprovide richer search results. A shared markup vocabularymakes easier for webmasters to decide on a markup schemaand get the maximum benefit for their efforts. Search engineswant to make it easier for people to find relevant informationon the web. Markup can also enable new tools andapplications that make use of the structure. FAQ (June 2011)
  4. 4. Screenshot of MIT OCW page licence CC:BY-NC-SA
  5. 5. Resource Title Creators Educational level URI Publisher Subject Keywords Goals Pre-requisites Resource Type Description Adapted screenshot of MIT OCW page licence CC:BY-NC-SA
  6. 6. = ontology + syntax Hierarchy of types, each with own Microdata or RDFa properties in HTML
  7. 7. <h3>Instructor(s)</h3><p itemprop="author">Prof. Arthur Mattuck</p><p itemprop="author">Prof. Haynes Miller</p><p itemprop="author">Dr. Jeremy Orloff</p><p itemprop="author">Dr. John Lewis</p><h3>Level</h3><p itemprop="typicalAgeRange" content="18-21">Undergraduate</p>
  8. 8. (some) types
  9. 9. (some) types
  10. 10. (some) types
  11. 11. properties for ThingThing additionalType (a URL) description (text) (Expected type for property) image (a URL) name (text) url (a URL)
  12. 12. (some) propertiesCreative Work about (a Thing) author (a Person or Organization) copyrightHolder (a Person or Organization) dateCreated (a Date) publisher (a Organization) and many, many more....Plus, from Thing additionalType, description, image, name, url
  13. 13. Emphasis on simplicity and search<p itemprop="author">Prof. Arthur Mattuck</p>Should be<p itemprop="author" itemscope itemtype=""> <span itemprop="honorificPrefix">Prof.</span> <span itemprop="givenname">Arthur</span> <span itemprop="familyname">Mattuck</span></p> But even the former helps Google
  14. 14. Other observations The ontology is growing (discussion at Being implemented by web sites See Implementation by Google?  Not much obvious use yet  Difficult to know what Google does in background  Can use to build “niche” searches via Google CSE
  15. 15. Conclusion Consider using to help build more sophisticated search services by disambiguating information exposed in web pages.
  16. 16. Licence and attribution By Phil Barker <>, JISC CETIS <>This work is licensed under the Creative CommonsAttribution 3.0 Unported licence.To view a copy of this licence, visit or send aletter to Creative Commons, 171 Second Street, Suite300, San Francisco, California 94105, USA.