assertion  retraction  graph  subject    predicate    object                                                                                                                datatype    annotation
1          0           graph  DOID:7152  IAO:0000115  A stromal sarcoma and sarcoma of prostate and tumor of specialized prostatic stroma that is located_in the prostate.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.pathologyoutlines.com/topic/prostatestromalsarcoma.html""}]}"