assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:10533 IAO:0000115 A pneumonia described as an inflammatory illness of the lung commonly caused by viruses such as influenza virus, parainfluenza, adenovirus, rhinovirus, herpes simplex virus, respiratory syncytial virus, hantavirus, and cytomegalovirus. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Pneumonia""}]}"