About: http://webisa.webdatacommons.org/291501749

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	For example, if a user modifies an existing document, such as document D4, the modifications are reflected in the affected data fields in the corresponding STG file 310.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com