<http://webisa.webdatacommons.org/prov/210926030>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/372842208> .
<http://webisa.webdatacommons.org/prov/385481855>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/372842208> .
<http://webisa.webdatacommons.org/372842208>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/372842208>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pdf-ebooks.net> .
<http://webisa.webdatacommons.org/372842208>	<http://www.w3.org/ns/prov#value>	"Portable Document Format, or PDF, is a file format readable by most" .