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<http://webisa.webdatacommons.org/428209144>	<http://www.w3.org/ns/prov#value>	"Although the present invention is described with reference to patent documents, it will be appreciated that the invention has application to a variety of different types of documents and applications." .
<http://webisa.webdatacommons.org/prov/138809290>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428209144> .