About: http://webisa.webdatacommons.org/451005871

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 skeptical about the existence of a nice API that would retain the samples' syntax, but I can try something different (even if I do believe the simple embedded for forms are a better solution):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com