About: http://webisa.webdatacommons.org/121998351

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	English is the easiest to implement because as you mention most people will understand English.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com