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PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n4openstudy.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:33284201
rdf:type
prov:Entity
prov:value
and I also think you should use 2.7.x because most of people use that and most of applications is written in that version and you also should read docs for 3.x series because eventually all apps will be ported to it :)
prov:wasQuotedFrom
n4:com
Subject Item
isap:67230609
prov:wasDerivedFrom
isa:33284201