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Introduction to the semantic web and linked data.

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Presentation on theme: "Introduction to the semantic web and linked data."— Presentation transcript:

1 Introduction to the semantic web and linked data

2 The “regular” Web is a web of documents

3 The “semantic web” is a web of data Berkeley located in California longitude latitude W 122° 16' 21'' N 37° 52' 17'' Here’s a picture of my dog in

4

5 K Hosseini Kite Runner Riverhead Publishing D Benioff ISBN: 15944 80001 M Forster is author of has subject Afghanistan published by adapted as screenplay by made into movie

6 car123 red Ford Mustang 2-door model color make doors Bob787 purchased by purchase price pDate purchase event72 ElRioFord Mary88 purchase event142 Pfrom Purchased from 2006-07-02 $22,310 $7,250 “This is a great car!” Car&Driver reviews 2011-02-03

7 Things and Strings Semantic Web Basics

8 thing relationship

9 Moby Dick Melville written by

10 Moby Dick Melville written by identifier

11 Moby Dick Melville written by Uniform resource identifier URI

12 Moby Dick Melville written by Uniform resource identifier URI

13 Moby Dick Melville written by “Herman Melville” URI string

14 http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555 http://purl.org/dc/terms/creator WorldCat URI for book “Moby Dick ”

15 http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555 http://purl.org/dc/terms/creator Dublin Core URI for element “creator ”

16 http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555 http://purl.org/dc/terms/creator VIAF URI for person “Herman Melville”

17 http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555 http://purl.org/dc/terms/creator http://www.worldcat.org/oclc/474017053 http://purl.org/dc/terms/creator

18 http://www.worldcat.org/oclc/474017053 http://viaf.org/viaf/27068555 http://purl.org/dc/terms/creator http://www.worldcat.org/oclc/474017053 http://purl.org/dc/terms/creator “Herman Melville”

19 “things and strings” id:1234id:abcd id:3n5b id:$%^& “Herman Melville”

20 “things and strings” id:1234id:abcd id:3n5b id:$%^& “Herman Melville” http://en.wikipedia.org/ Herman_Melville “label”

21 “things and strings” id:1234id:abcd id:3n5b id:$%^& “Herman Melville” http://en.wikipedia.org/ Herman_Melville label http://en.wikiipe di.org/New_York _City birthPlace “New York City” label

22 Exercise: Things and Strings This is a dog named Dewey. Dewey is a golden retriever. Dewey is 9 years old. Dewey’s birthday is 12-25 Dewey was born in 2003 Dewey lives in Berkeley. Berkeley is in California. The University of California is in Berkeley

23 End Introduction to the Semantic Web

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