About: http://webisa.webdatacommons.org/36017178

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 the 20th century, structural mobility has increased in Canada, the US, Britain and other industrialized countries, but exchange mobility has changed very little.
http://www.w3.org/ns/prov#wasQuotedFrom	thecanadianencyclopedia.com