About: http://webisa.webdatacommons.org/274800135

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	I think self is OK in most cases since it is a known convention (already have some meaning attached to it), but I do agree that descriptive names are a good idea.
http://www.w3.org/ns/prov#wasQuotedFrom	github.com