About: http://webisa.webdatacommons.org/290091491

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 relationship ID# is assigned to these attributes, and is an index to relationship attribute storage 520.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr