About: http://webisa.webdatacommons.org/57743805

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	Below is a working example of what you want to do: (using the C++ String object).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com