This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n5stackexchange.
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#
Subject Item
isa:153893832
rdf:type
prov:Entity
prov:value
Arnold Neumaier's answer is correct but does not seem to have included enough detail to convince people, so here is an answer with a more in-depth explanation.
prov:wasQuotedFrom
n5:com
Subject Item
isap:393095697
prov:wasDerivedFrom
isa:153893832