About: http://webisa.webdatacommons.org/178429004

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	This last tool is great for blocks, but does little when what you want are character types scattered through many blocks (like letters or numbers).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com