About: http://webisa.webdatacommons.org/445269071

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	As the range of goods and services available expands, as in any modern economy, a barter economy, or any economy based on a combination of the above forms of exchange, begins to run into significant problems.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com