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PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
n4rcgroups.
Subject Item
isa:428905901
rdf:type
prov:Entity
prov:value
Apparently, the RC2400 is the best of the ones you have mentioned.
prov:wasQuotedFrom
n4:com
Subject Item
isap:401991244
prov:wasDerivedFrom
isa:428905901