assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:162 IAO:0000115 A disease of cellular proliferation that is malignant and primary, characterized by uncontrolled cellular proliferation, local cell invasion and metastasis. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007643""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/cancer""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=cancer""}]}"