About: http://webisa.webdatacommons.org/270078467

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	In recent years, some textbooks have also suggested that there is a fourth sector ??? the Quaternary sector.
http://www.w3.org/ns/prov#wasQuotedFrom	tutor2u.net