Metadata and the Semantic Web - slide "Views at the RDF Model"

Collection of triples (subject-predicate-object or resource-property-value)

Number	Subject	Predicate	Object
1	http://www.w3.org/2002/Talks/0208Page2002/	http://purl.org/dc/elements/1.1/title	Metadata and the Semantic Web

Directed labeled graph

XML representation

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:dc="http://purl.org/dc/elements/1.1/">
<rdf:Description rdf:about="http://www.w3.org/2002/Talks/0208Page2002/">
  <dc:title>Metadata and the Semantic Web</dc:title>
</rdf:Description>
</rdf:RDF>

Notation 3: Compact experimental representation, can help beginners

@prefix dc: <http://purl.org/dc/elements/1.1/>.
<http://www.w3.org/2002/Talks/0208Page2002/>
  dc:title "Metadata and the Semantic Web".