About: http://webisa.webdatacommons.org/63087746

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 am sure it is not a plugin but here is a list that are used for reference (below).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com