Semantic Web: Intro

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  • Contoh anak dan bapak
  • Semantic Web: Intro

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

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