About: http://webisa.webdatacommons.org/117993151

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	When set to off, this property avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and some other utilities.
http://www.w3.org/ns/prov#wasQuotedFrom	pcbsd.org