PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The confluence of high oil prices this past summer and a desire to reduce harmful greenhouse gas emissions has certainly and justifiably promoted the interest in and development of renewable and alternative forms of energy ??? from more mature technologies like wind and solar to greater awareness of the potential for geothermal, biomass, and ocean and tidal energy ??? along with greater energy eff
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org