About: http://webisa.webdatacommons.org/155333754

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 switches may be mechanical switches, electro-mechanical relays, electrical switches, such as transistors (e.g., FETS), or implemented in firmware, or software.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com