About: http://webisa.webdatacommons.org/34954417

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 difference is not between two types of activity but between the material and social aspects of the same activity.
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org