This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n4perl.
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:89995458
rdf:type
prov:Entity
prov:value
In perl6, the sigil is simply part of the variable name, which means it really adds nothing -- zilch! -- for either the human or the compiler, other than to say (e.g.) this is a hash variable.
prov:wasQuotedFrom
n4:org
Subject Item
isap:472658415
prov:wasDerivedFrom
isa:89995458