<http://webisa.webdatacommons.org/417723060>	<http://www.w3.org/ns/prov#value>	" True if file exists and is a regular file." .
<http://webisa.webdatacommons.org/prov/170409648>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417723060> .
<http://webisa.webdatacommons.org/417723060>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/417723060>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cam.ac.uk> .