About: http://webisa.webdatacommons.org/18211116

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	Metrics such as UZR do exist and they cover exactly what you are discussing.
http://www.w3.org/ns/prov#wasQuotedFrom	natsinsider.com