About: http://webisa.webdatacommons.org/119991999

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	I think returning null for all file systems except Hdfs and Hftp is not a good idea.
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org