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/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
n5fiid.
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:321618866
rdf:type
prov:Entity
prov:value
Deleting a message is a good example: for a spool file ??? the message must be removed, and then the whole file after the deleted message must be rewritten with the deleted message removed, which is a very expensive operation.
prov:wasQuotedFrom
n5:net
Subject Item
isap:435539747
prov:wasDerivedFrom
isa:321618866