assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:6367 IAO:0000115 A skin melanoma that is characterized by slow growth of a small pigmented spot on the skin with a clearly defined edge, surrounded by normal-appearing skin and occurs on occurs on non hair-bairing surfaces including hands and feet, subungual sites, and fingers or toes. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Acral_lentiginous_melanoma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Lentigo""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1352575/""}]}"