assertion  retraction  graph  subject    predicate    object                                                                        datatype    annotation
1          0           graph  DOID:8398  IAO:0000115  An arthritis that has_material_basis_in worn out cartilage located_in joint.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007640""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Osteoarthritis""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.mayoclinic.com/health/osteoarthritis/DS00019""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.nlm.nih.gov/medlineplus/ency/article/000423.htm""}]}"