About: http://webisa.webdatacommons.org/170017046

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	If the return echo is known to be composed of mostly indirect echo, it is not necessary to model the direct echo path.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com