About: http://webisa.webdatacommons.org/410082644

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	In a later chapter, you???ll see how this same sort of technique is used to accomplish custom tracking variables as well.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net