Changes between Version 7 and Version 8 of SemanticWebServices

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Timestamp:
2009/03/20 09:41:52 (15 years ago)
Author:
rvos
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  • SemanticWebServices

    v7 v8  
    3636==== RDF ==== 
    3737RDF assumes that anything in the world can be described in triples, i.e. statements consisting of subject, predicate, object. RDF/XML is just one serialization of the concept of triples (other ways are M3, JSON, RDFa etc.). An RDF/XML document imports at least two namespaces: rdf and rdfs.  
    38 * Simple example: rdf:Description element defines the subject, rdf:about attribute defines a resource that is the subject. rdfs:label, for example, attaches a human readable label to a subject. 
    39 * Example with more namespaces: subject is now defined on element foaf:Person (again by rdf:about), subject has multiple predicates: foaf:name (his name), foaf:page (which in turn encloses another triple: foaf:Document => dc:title => literal) 
    40 * Real example: a set of triples describing Tim Berners-Lee using foaf, dc, rss, rdfs. 
     38 * Simple example: rdf:Description element defines the subject, rdf:about attribute defines a resource that is the subject. rdfs:label, for example, attaches a human readable label to a subject. 
     39 * Example with more namespaces: subject is now defined on element foaf:Person (again by rdf:about), subject has multiple predicates: foaf:name (his name), foaf:page (which in turn encloses another triple: foaf:Document => dc:title => literal) 
     40 * Real example: a set of triples describing Tim Berners-Lee using foaf, dc, rss, rdfs. 
    4141=== State of the art === 
    4242=== Who ===