Table for the 8 triples for predicate rdfs:subClassOf in graph cert

SubjectObject
?:Certificatefoaf:Document
?:PGPCertificate?:Certificate
?:PrivateKey?:Key
?:PublicKey?:Key
?:RSA Key?:Key
?:RSA Public Key?:PublicKey
?:RSA Public Key?:RSA Key
?:X509Certificate?:Certificate