About: http://webisa.webdatacommons.org/428909284

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	Optionally, there is a means to send a control signal from a computer 31 to the digital switch so that the sample frequency can be changed as needed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr