About: http://webisa.webdatacommons.org/158158991

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A null value returned denotes a problem, such as file does not exist at specified location or the user does not have the correct permission to open the file in the mode specified.
http://www.w3.org/ns/prov#wasQuotedFrom	windspring.com