PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since the major search engines, including Google and Yahoo, do not offer an agency commission, many ad agencies are reluctant to charge an extra markup to create and manage a pay-per-click campaign.Noel McMichael, co-chairperson of the SEMPO Marketing Committee said, The search engine marketing dollar is hard-earned.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sempo.org