About: http://webisa.webdatacommons.org/197189453

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	Because of economies in certain types of transmission media, voice signals were digitized for transmission purposes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com