About: http://webisa.webdatacommons.org/338471520

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 signals and measurements may be transferred via electrical signals, electromagnetic signals such as optical signals, or acoustic signals such as ultrasound signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es