About: http://webisa.webdatacommons.org/150722162

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	refer to entities such as people, times, and activities, while the infrequent terms amount
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net