About: http://webisa.webdatacommons.org/234759682

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	Examples of the types of signals seen with and without crossbars on the same bar pattern are shown in a diagram of FIG. 7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca