assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0080189 IAO:0000115 A cell type cancer of vascular origin that is characterized by the proliferation of endothelial cells in and about the vascular lumen. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.rare-cancer.org/info/hemangioendothelioma.php""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Hemangioma""}]}" 1 0 graph DOID:0080189 rdfs:label malignant hemangioma @en 1 0 graph DOID:0080189 oio:id DOID:0080189 xsd:string 1 0 graph DOID:0080189 oio:hasOBONamespace disease_ontology xsd:string 1 0 graph DOID:0080189 rdfs:subClassOf DOID:175 _IRI 1 0 graph DOID:0080189 rdfs:subClassOf DOID:1115 _IRI 1 0 graph DOID:0080189 rdf:type owl:Class _IRI