PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Another option are the sites which interrogate several search engines at once, such as Ask Jeeves (www.askjeeves.com) or Metacrawler (www.metacrawler.com).
http://www.w3.org/ns/prov#wasQuotedFrom
  • newmediastudies.com