About: http://webisa.webdatacommons.org/391309634

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	If both types of block names are used, then a block type can be prepended to the data to be hashed (content or identifier), to ensure that the data hashed is never the same in constructing the two kinds of names.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com