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/
n4stackoverflow.
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:120079258
rdf:type
prov:Entity
prov:value
It seems the conversion from null object to another type has no reason to fail (not a format error, not an unsupported type conversion), but a value type such as int has no representation of no data, so a default value of the target type is produced.
prov:wasQuotedFrom
n4:com
Subject Item
isap:247282581
prov:wasDerivedFrom
isa:120079258