This HTML5 document contains 6 embedded RDF statements represented using HTML+Microdata notation.

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

PrefixNamespace IRI
n5asp.
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:53762261
rdf:type
prov:Entity
prov:value
You need a model that will hold the information such as user's email address, subject and comment (probably some more if you think you need extra info).
prov:wasQuotedFrom
n5:net
Subject Item
isap:65281619
prov:wasDerivedFrom
isa:53762261
Subject Item
isap:65925730
prov:wasDerivedFrom
isa:53762261
Subject Item
isap:65462404
prov:wasDerivedFrom
isa:53762261