<?xml
version="1.0"?>
<!DOCTYPE
rdf:RDF [
<!ENTITY owl
"http://www.w3.org/2002/07/owl#" >
<!ENTITY xsd
"http://www.w3.org/2001/XMLSchema#" >
]>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:xsd =
"http://www.w3.org/2001/XMLSchema#"
xmlns="http://www.example.com/person.owl#"
xml:base="http://www.example.com/person.owl">
<owl:Ontology
rdf:about="">
<rdfs:comment>
An example ontology by
Takeda, with data types taken from XML Schema
</rdfs:comment>
</owl:Ontology>