About: http://webisa.webdatacommons.org/135051836

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Shown at (a), (b), (c) and (d) in FIG. 125 are an input video signal, frame pulses, track formation signals, and frame numbers, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com