<http://webisa.webdatacommons.org/prov/97482085>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/66818879> .
<http://webisa.webdatacommons.org/66818879>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/417461550>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/66818879> .
<http://webisa.webdatacommons.org/66818879>	<http://www.w3.org/ns/prov#value>	"columns for such information as user ID, date, event, and error description." .
<http://webisa.webdatacommons.org/66818879>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .