PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But Siegel, a Wharton School professor of finance who directs the Securities Industry Association Institute, argues that, historically, stocks are safer and more productive, over the long run, than most other forms of investment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amazon.com