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Mais de yayamamo @ DBCLS Kashiwanoha (14)
Ontology howto
- 6. 詩を書く人は詩人
制限クラスを使う
:Poet rdfs:subClassOf [a owl:Restriction;
owl:onProperty :wrote;
owl:someValuesFrom :Poem] .
逆に、詩人なら詩を書く、ともいえるので
:Poet owl:equivalentClass [a owl:Restriction;
owl:onProperty :wrote;
owl:someValuesFrom :Poem] .