[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:255", "predicate": "IAO:0000115", "object": "A cardiovascular organ benign neoplasm that has_material_basis_in endothelial cells that line blood vessels and is characterized by increased number of normal or abnormal vessels filled with blood.", "datatype": "xsd:string", "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007638\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://en.wikipedia.org/wiki/Hemangioma\"}]}" } ]