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CSE 428 Semantic Web Topics RDF Jeff Heflin Lehigh University.

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Presentation on theme: "CSE 428 Semantic Web Topics RDF Jeff Heflin Lehigh University."— Presentation transcript:

1 CSE 428 Semantic Web Topics RDF Jeff Heflin Lehigh University

2 Turtle vs. RDF/XML Turtle: @prefix rdf:. @prefix foaf:. foaf:name "Jane Doe" ; foaf:knows http://www.yahoo.com/~jsmith#john. RDF/XML: Jane Doe

3 Default Namespaces Jane Doe

4 Using XML Entities 30 Resolves to: http://www.w3.org/2001/XMLSchema#integer

5 Nesting Descriptions Jane Doe John Smith

6 Typed Nodes in RDF/XML Jane Doe Jane is an instance of Person Jane Doe Shorthand for the same thing

7 RDFa Books by Marco Pierre White I think White's book 'Canteen Cuisine ' is well worth getting since although it's quite advanced stuff, he makes it pretty easy to follow. You might also like White's autobiography. Declare namespace prefixes This item is of type Book, and has title “Canteen Cuisine” This item is of type Book, and has description “White’s autobiography” Example from http://www.w3.org/TR/rdfa-syntax/

8 RDF Schema Example teaches Course Professor heflincse428 rdf:Property teaches rdf:type rdfs:domain rdfs:range


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