About: http://webisa.webdatacommons.org/198250238

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	OK, so here is a pdf that may shed light on both specifications and better images showing detail.
http://www.w3.org/ns/prov#wasQuotedFrom	hearth.com