About: http://webisa.webdatacommons.org/41094645

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	First, it does not usually require a survey or other empirical study, which is an expensive procedure.
http://www.w3.org/ns/prov#wasQuotedFrom	visualexpert.com