PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Inductive coupling uses an AC signal, akin to a transforner, which can be used to provide power, for example 12 VAC, from one element to another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com