assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:5677 IAO:0000115 An extragonadal germ cell cancer that are located_in the pineal gland in the brain, located_in the mediastinum or located_in the abdomen. xsd:string "{""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/Germ_cell_tumor#Nongerminomatous""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://rarediseases.info.nih.gov/gard/10165/nonseminomatous-germ-cell-tumor/resources/1""}]}"