About: http://webisa.webdatacommons.org/428107272

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	Try a google of derivatives and you will find numerous examples of which types are used when and for what reason.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com