About: http://webisa.webdatacommons.org/175195209

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	Finance.Yahoo.com is the most comprehensive data source that I know of, which is cheap enough, that is, free.
http://www.w3.org/ns/prov#wasQuotedFrom	dvorak.org