Some Other Useful Features of RDF
RDF Containers In N3, we could say that Ed (with id 21) and Bill (with id 34) created a certain document as @prefix foaf:. @prefix dc:. @prefix rdf:. @prefix.
Practical RDF Ch.4 Specialized RDF Relationships: Reification, Containers, and Collections Kim, Jong-Nam SNU OOPSLA Lab. August 12, 2004.