Semantic Web - Linked Data - RDF
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Semantic Web - Linked Data - RDF

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Presentation at "The Semantic Web, Libraries, and Visual Resources" session at VRA + ARLIS/NA 2nd Joint Conference in Minneapolis, MN.

Presentation at "The Semantic Web, Libraries, and Visual Resources" session at VRA + ARLIS/NA 2nd Joint Conference in Minneapolis, MN.

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Semantic Web - Linked Data - RDF Semantic Web - Linked Data - RDF Presentation Transcript

  • Semantic Web Linked Data RDF
  • Distributed Expertise
  • Distributed Data
  • Why the Web?
  • Why the Semantic Web?
  • RDF Resource Description Framework
  • RDF Resource Description Framework expresses meaning machine readable communicates with links
  • RDF Resource Description Framework expresses meaning machine readable communicates with links
  • RDF Resource Description Framework expresses meaning machine readable communicates with links
  • Why links?
  • Internet
  • Linked Data Tim Berners-Lee
  • Linked Data Sir Tim Berners-Lee
  • http://www.otherThings.org/thing1/ http://www.moreThings.org/thing2/ http://www.someThings.org/thing3/ http://www.neatThings.org/thing4 / Linked Data http://www.things.org/thing1/ http://www.otherThings.org/thing5/ http://www.moreThings.org/thing6/ http://www.someThings.org/thing7/ http://www.neatThings.org/thing4 8 Info about Thing #1 http://www.otherThings.org/thing1/ http://www.moreThings.org/thing2/ http://www.someThings.org/thing3/ http://www.neatThings.org/thing4 /
  • Web API
  • RDF
  • A Mosque is a type of Building
  • A Mosque is a type of Building RDF triple
  • A Mosque is a type of Building RDF triple subject predicate object
  • A Mosque is a type of Building RDF triple link + link + link
  • A Mosque is a type of Building http://www.w3.org/2004/02/skos/core#Concept /Mosque
  • A Temple is a type of Building http://www.w3.org/1999/02/22-rdf-syntax-ns# type
  • A Temple is a type of Building http://www.w3.org/2004/02/skos/core# Concept/Building
  • A Mosque is a type of Building http://www.w3.org/2004/02/skos/core#Concept/Building http://www.w3.org/2004/02/skos/core#Concept /Mosque http://www.w3.org/1999/02/22-rdf-syntax-ns# type
  • A Mosque is a type of Building http://www.w3.org/2004/02/skos/core#Concept/Building http://www.w3.org/2004/02/skos/core#Concept /Mosque http://www.w3.org/1999/02/22-rdf-syntax-ns# type
  • A Mosque is a type of Building RDF Triple http://www.w3.org/2004/02/skos/core#Concept/Building http://www.w3.org/2004/02/skos/core#Concept /Mosque http://www.w3.org/1999/02/22-rdf-syntax-ns# type
  • link RDF links give meaning Ontolgy Schema Vocabulary link link ?
  • RDFS OWL RDF Schema Web Ontology Language
  • RDFS OWL RDF Schema Classes (general things) Web Ontology Language
  • RDFS OWL RDF Schema Classes (general things) Web Ontology Language Relationships that can exist among things
  • RDFS OWL RDF Schema Classes (general things) Web Ontology Language Relationships that can exist among things Properties (or attributes) those things may have
  • Class Librarian: subclass of person
  • Class Librarian: subclass of person Person: subclass of human
  • Class Librarian: subclass of person Person: subclass of human Human: subclass of animal
  • Logic Therefore:
  • Logic Therefore: Librarians are animals
  • Class A Mosque is a Building A Building has a Geographic Location A Building has a human creator
  • Class This Mosque is located on Temple Mount Therefore it is located in Jerusalem Therefore it is in a Holy City
  • RDF candy store
  • RDF mixable schemas Architecture http://www.vraweb.org/vracore/4.0 Location http://www.opengis.net/ Religion http://www.loc.gov/mods/v3 Politics http://www.loc.gov/mods/v3 News http://www.pbcore.org/PBCore/
  • RDF mixable vocabularies Architecture http://dbpedia.org/class/yago/ Location http://www.geonames.org/ Religion http://www.freebase.com/ Politics http://id.loc.gov/authorities/ News http://cv.iptc.org/newscodes/
  •  
  • Dome Search for: Built work + Dome + Islamic Hagia Sophia Built work Mosque Dome of the Rock
  • Arcade Dome of the Rock San Vitale Mosque Religious building Search for: Religious building + Arcade Dome of the Rock Mosque Dome of the Rock Mosque Dome of the Rock Mosque Dome of the Rock Mosque Dome of the Rock Mosque Arcade Religious building Search for: Religious building + Arcade Arcade Religious building San Vitale Search for: Religious building + Arcade Arcade Religious building Search for: Religious building + Arcade Arcade Religious building Search for: Religious building + Arcade Arcade San Vitale Religious building Search for: Religious building + Arcade Arcade San Vitale Religious building Search for: Religious building + Arcade Arcade
  • Dome Search for: Built work + Dome + Islamic Hagia Sophia Ritual San Vitale Search for: Religious building + Arcade Arcade Religious building Mosque Dome of the Rock Built work
  • http://dbpedia.org/page/Dome Search for: http:// www.freebase.com /view/architecture/building http:// dbpedia.org /page/Dome http://id.loc.gov/authorities/sh85006804 http://id.loc.gov/authorities/sh85114228 http://viaf.org/viaf/147047031/ Search for: http://sw.opencyc.org/2009/01/31/concept/en/ReligiousBuildng http://id.loc.gov/vocabulary/graphicMaterials/tgm000448 http://id.loc.gov/vocabulary/graphicMaterials/tgm000448 http://sw.opencyc.org/2009/01/31/concept/en/ReligiousBuilding http://id.loc.gov/authorities/sh85087470#concept http://viaf.org/viaf/134358038/ http://www.freebase.com/view/architecture/building http://en.wikipedia.org/wiki/File:Ayasofya-Innenansicht.jpg http://www.flickr.com/photos/cornelluniversitylibrary/3611150353/
  • Semantic Web Linked Data RDF
  • Meaning Logic Combination Re-use