About: http://webisa.webdatacommons.org/168620976

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	Since a value x that satisfies y=h(x) is not easily obtained from an arbitrary value y, accordingly, the hash function is a unidirectional function.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com