About: http://webisa.webdatacommons.org/36093149

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 other words, a sale is a purchase, C - M is also M - C. As the person who makes a sale, the owner is a seller; as the person who makes a purchase, he is a buyer.
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org