About: http://webisa.webdatacommons.org/362687990

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	MoLinguistics, cited above, is a system that does exactly what you suggest (in terms of the initial 1-5 thing).
http://www.w3.org/ns/prov#wasQuotedFrom	xi.co.nz