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PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n5arstechnica.
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:448248453
rdf:type
prov:Entity
prov:value
I can not think of anyone other than MS and Google that make heavy use of those, but with a DC this size, it would certainly be a candidate.
prov:wasQuotedFrom
n5:com
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isap:53833926
prov:wasDerivedFrom
isa:448248453
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isap:385168099
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isa:448248453