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  • Contoh anak dan bapak

Transcript

  • 1. Semantic Web: Intro
  • 2. Past Semantic Brain Fariz Darari @ http://ir.cs.ui.ac.id/ contain
  • 3. Now Semantic Web Fariz Darari @ http://ir.cs.ui.ac.id/ contain
  • 4. Definition
    • The Semantic Web is an extension of the current web in which information is given well-defined meaning , better enabling computers and people to work in cooperation
    • TBL
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 5. Why? Fariz Darari @ http://ir.cs.ui.ac.id/ What we see
  • 6. Why? Fariz Darari @ http://ir.cs.ui.ac.id/ What computers see
  • 7. Web Evolution Fariz Darari @ http://ir.cs.ui.ac.id/
  • 8. SW Principles
    • URI
    • Ontology/Shared Vocabulary
    • Linked Open Data
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 9. Five-star Rating Scheme Fariz Darari @ http://ir.cs.ui.ac.id/
  • 10. RDF
    • Data exchange format
    • Used for describing things
    • Key features:
      • RDF links things, not just documents
      • RDF links are typed
      • mybook link thatbookshop
      • mybook forSaleIn thatbookshop
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 11. OWL
    • Web knowledge representation language
    • More semantics, extends the expressivity
      • owl:equivalentClass
      • owl:equivalentProperty
      • owl:inverseFunctionalProperty
      • owl:inverseOf
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 12. Description Logic
    • Logical formalism for OWL
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 13. SPARQL
    • SQL-like language for querying RDF
    • Graph pattern matching
    • Example:
    • Data
    • <http://example.org/book1> <http://purl.org/title> &quot;Tutorial&quot; .
    • Query
    • SELECT ?title WHERE { <http://example.org/book1> <http://purl.org/title> ?title . }
    • Result
    • “ Tutorial”
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 14. Open World Reasoning
    • If something is unknown, unknown
    • instead of
    • If something is unknown, false
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 15. Internet of Things Fariz Darari @ http://ir.cs.ui.ac.id/
  • 16. Use Case data.gov
    • Dataset repository and mashup
    • http://www.data.gov/
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 17. Use Case DBPedia
    • Text annotation based on Wikipedia knowledge
    • http://dbpedia.org/spotlight
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 18. Use Case Google Recipe
    • Faceted search
    • http://google.com/landing/recipes
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 19. Use Case Facebook OGP
    • Light-weight version of Semantic Web
    • Implemented using RDFa
    • Integrate web pages into the social graph
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 20. Fariz Darari @ http://ir.cs.ui.ac.id/
  • 21.
    • <meta property=&quot; og:title &quot; content=&quot;Oceans (Disneynature's Oceans)&quot; />
    • <meta property=&quot; og:type &quot; content=&quot;movie&quot; />
    • <meta property=&quot; og:image &quot; content=&quot;http://content9.flixster.com/movie/11/04/79/11047971_pro.jpg&quot; />
    • <meta property=&quot; og:url &quot; content=&quot;http://www.rottentomatoes.com/m/10011268-oceans/&quot; />
    Fariz Darari @ http://ir.cs.ui.ac.id/
  • 22. Fariz Darari @ http://ir.cs.ui.ac.id/
  • 23. Fariz Darari @ http://ir.cs.ui.ac.id/
  • 24. @ Facebook Profile Page Fariz Darari @ http://ir.cs.ui.ac.id/
  • 25. References
    • http://www.w3.org/
    • http://suttonhoo.blogspot.com/
    • http://www.flickr.com/photos/kasei/
    • http://www.flickr.com/photos/johnkarakatsanis/
    • http://linkeddatabook.com/
    • http://www.techrepublic.com/whitepapers/web4web-e-collaboration-tools/2143683
    • http://www.w3.org/DesignIssues/LinkedData.html
    • http://www.comlab.ox.ac.uk/ian.horrocks/
    Fariz Darari @ http://ir.cs.ui.ac.id/