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
n5codeproject.
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:126037773
rdf:type
prov:Entity
prov:value
Without seeing REAL examples of the strings you are searching and the strings you are searching for in them, it is impossible to tell you why you think they work and the computer is saying they don't.
prov:wasQuotedFrom
n5:com
Subject Item
isap:385333393
prov:wasDerivedFrom
isa:126037773