PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Product sales accounted for more than 80 percent of the company's revenues during 1993-1995, with minimal costs compared to services such as product customization, maintenance, and technical support.
http://www.w3.org/ns/prov#wasQuotedFrom
  • simonandschuster.com