dbpedia.n3

@prefix dbpedia: <http://dbpedia.org/ontology/>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.

dbpedia:Drug                a rdfs:Class .
dbpedia:Disease             a rdfs:Class .
dbpedia:ChemicalCompound    a rdfs:Class .
dbpedia:ChemicalSubstance   a rdfs:Class .

dbpedia:symptom             rdfs:domain     dbpedia:Disease .
dbpedia:symptom             rdfs:range      dbpedia:Disease .

<http://dbpedia.org/property/deaths>   rdfs:domain     dbpedia:Disease .
<http://dbpedia.org/property/deaths>   rdfs:range      xsd:integer .