PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Direct current includes pulsating current which is of such character as to have the characteristics of direct current (e.g., such as the output of half-wave rectifier which may be smoothed by filters to produce a substantially nonpulsating current).
http://www.w3.org/ns/prov#wasQuotedFrom
  • uspto.gov