About: http://webisa.webdatacommons.org/357162420

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	A possible digitization of that echo is shown in FIG. 4 b where points (t,s) are such that t is a tick of time and s is a measure of the output of a sensor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com