About: http://webisa.webdatacommons.org/423001116

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	The user specifies a class name, default value, whether the attribute is required, and whether the attribute is indexed or not, and the attribute is added to the specified class.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr