About: http://webisa.webdatacommons.org/129842128

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	Since characters have a limited, finite (and not too wide) range, you can just test which characters are members of a given character set (brute force):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com