About: http://webisa.webdatacommons.org/17971602

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	For example, if the window has a $1.90 bid for 5 contracts with 20 offered at $2.00 and there is no one else in the market except for the specialist, the specialist must bid for 10 contracts (5 for himself/herself).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com