PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Once technologies are proven and, in principle, commercially available, governments can help them to avoid the vicious circle of small volume and high costs ??? ???the valley of death of commercialisation??? ??? by addressing barriers such as infrastructure needs, slow capital turnover, poor market organisation, and information and financing constraints.
http://www.w3.org/ns/prov#wasQuotedFrom
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