assertion  retraction  graph  subject           predicate            object                                                                     datatype    annotation
1          0           graph  obo:SYMP_0000025  rdfs:label           dry cough                                                                  xsd:string  
1          0           graph  obo:SYMP_0000025  oio:id               SYMP:0000025                                                               xsd:string  
1          0           graph  obo:SYMP_0000025  oio:hasOBONamespace  symptoms                                                                   xsd:string  
1          0           graph  obo:SYMP_0000025  IAO:0000115          A cough that is characterized by a lack of accompanied phlegm production.  xsd:string  
1          0           graph  obo:SYMP_0000025  rdfs:subClassOf      obo:SYMP_0000614                                                           _IRI        
1          0           graph  obo:SYMP_0000025  rdf:type             owl:Class                                                                  _IRI        
1          0           graph  obo:SYMP_0000025  oio:hasExactSynonym  nonproductive cough                                                        xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.healthline.com/health/dry-cough""}]}"