About: http://webisa.webdatacommons.org/263032230

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	Signals s1 (t) and s2 (t) can represent data, speech, image or other information that is in digital form.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr