About: http://webisa.webdatacommons.org/2104002

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	You are right that many of those differences are a matter of choice and are subjective and that some people can not seperate the two things (what they think is automatically correct, not subjective).
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com