About: http://webisa.webdatacommons.org/453901744

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 article, it is explained that there are two types of labor, the paid labor and the unpaid labor.
http://www.w3.org/ns/prov#wasQuotedFrom	publicanthropology.org