8. Chapter: 2 (Tutorial)
8
</rdf:RDF>
2. <?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Seq rdf:about="http://example.org/favourite-fruit">
<rdf:li rdf:resource="http://example.org/banana"/>
<rdf:li rdf:resource="http://example.org/apple"/>
<rdf:li rdf:resource="http://example.org/pear"/>
</rdf:Seq>
</rdf:RDF>
Both are equivalent and produces same RDF graph as shown below in figure because rdf:li, special property
element, is equivalent to rdf:_1, rdf:_2 in order.
Complete example of rdf:datatype:
RDF/XML:
<?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:ex="http://example.org/stuff/1.0/">
<rdf:Description rdf:about="http://example.org/item01">
<ex:size rdf:datatype="http://www.w3.org/2001/XMLSchema#int">123</ex:size>
</rdf:Description>
</rdf:RDF>
Triples:
<http://example.org/item01> <http://example.org/stuff/1.0/size>
"123"^^<http://www.w3.org/2001/XMLSchema#int>.
Notation 3:
@prefix eg: <http://example.org/>.
@prefix ex: <http://example.org/stuff/1.0/>.
eg:item01 ex:size "123".
Reification: statements about statements.
1. {:John :Loves :Mary} :accordingTo :Bill.
2. Mary claims that John’s name is “John Smith”.
3. Romeo thought that {Juliet was dead}.
Romeo thought that Juliet was dead.