About: http://webisa.webdatacommons.org/188611519

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	To implement something similar for the telephone and other devices was easier said than done.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org