Listing 1


<?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:f="http://www.example.org/flight">
<rdf:Description rdf:about="http://www.example.org/flight#VS018">
<f:number>VSOI8<f:number>
<f:origin>New York</f:origin>
<f:destination>London</f:destination>
<f:departure>08:20 05/05/2003</f:departure>
<f:arrival>20:00 05/11/2003</f:arrival>
<f:class>Economy</f:class>
</rdf:Description>
</rdf:RDF>