About: http://webisa.webdatacommons.org/235181434

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	A tool helping journalists keep track of their sources, including news items about that person and citations from the reporter???s own archived stories mentioning him or her;
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org