About: http://webisa.webdatacommons.org/175828251

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 source signal is emitted from the bottom hole assembly and at lest one signal is received by one or more receivers in the bottom hole assembly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com