About: http://webisa.webdatacommons.org/37442012

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	In most languages except perhaps pure functional ones, objects have an opaque identity key, and this maps just fine to the single-key approach.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com