@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://example.org/graph/> .
@prefix ont: <http://example.com/ontology/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

ex:students {
    <http://example.com/resource/student_10> a ont:Student ;
        foaf:name "Venus Williams" .

    <http://example.com/resource/student_20> a ont:Student ;
        foaf:name "Demi Moore" .
}

ex:sports {
    <http://example.com/resource/sport_100> a ont:Sport ;
        rdfs:label "Tennis" .
}

ex:practise {
    <http://example.com/resource/student_10> ont:practises <http://example.com/resource/sport_100> .
}
