About: http://webisa.webdatacommons.org/422544264

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	What makes them work is that the market is open to all kinds of players, including speculators.
http://www.w3.org/ns/prov#wasQuotedFrom	fourmilab.ch