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
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n5stackoverflow.
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:345805943
rdf:type
prov:Entity
prov:value
It sounds like they are currently close to one to one for such a scheme to be considered, which I have mostly seen in applications where the business layer does not do anything except forward fields mostly untouched from view to db, and the screens are nearly one to one with the tables.
prov:wasQuotedFrom
n5:com
Subject Item
isap:294030856
prov:wasDerivedFrom
isa:345805943