assertion  retraction  graph  subject          predicate        object           datatype    annotation
1          0           graph  obo:CHEBI_33363  rdfs:label       palladium        xsd:string  
1          0           graph  obo:CHEBI_33363  oio:id           CHEBI:33363      xsd:string  
1          0           graph  obo:CHEBI_33363  rdfs:subClassOf  obo:CHEBI_88184  _IRI        
1          0           graph  obo:CHEBI_33363  rdfs:subClassOf  obo:CHEBI_33365  _IRI        
1          0           graph  obo:CHEBI_33363  rdfs:subClassOf  obo:CHEBI_33362  _IRI        
1          0           graph  obo:CHEBI_33363  rdf:type         owl:Class        _IRI