PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 20100122721ARRAY TYPE CONCENTRATING SOLAR CELL SYSTEM - An array type concentrating solar cell system without sun-tracing system is provided, wherein a plurality of transparent spheres or sphere-like transparent articles is used as concentrating means and hence there is no need for the concentrating means to trace the light source, such as the Sun.
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org