assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:9008 IAO:0000115 An arthritis that is characterized by joint inflammation that usually occurs in combination with psoriasis. 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/Psoriatic_arthropathy""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.mayoclinic.com/health/psoriatic-arthritis/DS00476""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.nlm.nih.gov/medlineplus/ency/article/000413.htm""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ghr.nlm.nih.gov/condition/psoriatic-arthritis""}]}"