PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • RD-23,825) involves a fixed duty ratio, variable frequency, square wave generator comprising an astable multivibrator including a pair of resistors coupled in series between a supply voltage terminal and a capacitor, such as of a type implemented with a 555 timer, and further comprising a JFET connected between the capacitor and ground.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com