About: http://webisa.webdatacommons.org/101739813

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	So the first part of the final solution would be TOW and the last would be ER. Here is an example:
http://www.w3.org/ns/prov#wasQuotedFrom	puzzlers.org