About: http://webisa.webdatacommons.org/294334098

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	rex est puer - the king is a boy, the boy here is in the nominative, because est (yet another form of esse) is a linking (or I prefer copulative) verb.
http://www.w3.org/ns/prov#wasQuotedFrom	textkit.com