[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:2152", "predicate": "IAO:0000115", "object": "An ovarian cancer that is derives_from ovarian surface epithelium.", "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/Ovarian_cancer\"},{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:http://en.wikipedia.org/wiki/Surface_epithelial-stromal_tumor\"}]}" } ]