assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3697 IAO:0000115 A non-suppurative otitis media and eustachian tube disorder with a sudden onset and a short course. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007646""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://books.google.com/books?id=UQ-rOpK6oScC&pg=PA3&lpg#v=onepage&q=&f=false""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.ncbi.nlm.nih.gov/sites/entrez/1195971""}]}"