@prefix owl: . @prefix xsd: . @prefix rdfs: . @prefix foaf: . @prefix : . @prefix mm: . : a owl:Ontology ; rdfs:label "Metamaps Map"@en . mm:Topic a owl:Class ; rdfs:label "One topic on a metamap"@en . mm:Synapse a owl:Class ; rdfs:label "Link between two topics on a metamap"@en . mm:topic1 a owl:ObjectProperty ; a owl:FunctionalProperty ; rdfs:label "first topic of a synapse"@en ; rdfs:domain mm:Synapse ; rdfs:range mm:Topic . mm:topic2 a owl:ObjectProperty ; a owl:FunctionalProperty ; rdfs:label "second topic of a synapse"@en ; rdfs:domain mm:Topic ; rdfs:range mm:Topic . mm:mapper a owl:ObjectProperty ; a owl:FunctionalProperty ; rdfs:label "Metamaps user who created this topic"@en ; rdfs:domain mm:Topic ; rdfs:range foaf:OnlineAccount . mm:direction a owl:ObjectProperty ; a owl:FunctionalProperty ; rdfs:label "from-to, both, or none"@en ; rdfs:domain mm:Synapse ; rdfs:range [ owl:oneOf mm:from-to, mm:both, mm:none ] .