About: http://webisa.webdatacommons.org/4717471

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	Further examples of other possible types of signals include laser generated infrared signals, other laser generated optical signals, LED generated optical signals, other light signals, and magnetic pulses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com