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/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
n4blogspot.
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:157111642
rdf:type
prov:Entity
prov:value
Also when everything is a string which you need to parse, should your parsing rountines have a bug, or if you do not handle parsing exceptions properly your compiler can not help here either.Dynamic casts, conversions, dynamic proxies, reflection, CGLIB, all runtime exceptions are all dynamic behaviour in Java that your compiler can not check for you.
prov:wasQuotedFrom
n4:com
Subject Item
isap:255241586
prov:wasDerivedFrom
isa:157111642