PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In order to realize such a demand, it is necessary to improve performance of batteries, such as large voltage, large energy density and tolerance for large load resistance, as well as optional shaping, secure safety and the like, so that development and improvement of various types of batteries are now in progress.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk