About: http://webisa.webdatacommons.org/64301000

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	With the advent of the transistor, semiconductor devices made from materials such as silicon, germanium, gallium-arsenide and other similar materials have gradually replaced the vacuum tube while simultaneously creating new applications.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com