PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After all, if there was a scheme to ensure only sustainable biofuels were used then those from southern Africa would have a very high chance of being certified, so it is important to look closely at what ???sustainable biofuels??? might look like.Food and biofuels:Southern Africa is one of the most vulnerable regions in the world to climate change.
http://www.w3.org/ns/prov#wasQuotedFrom
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