About: http://webisa.webdatacommons.org/118796117

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	The signal may transmit through any medium capable of conducting a signal, such as earth, air, or water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com