About: http://webisa.webdatacommons.org/415996579

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	Data systems, such as satellite television broadcasting systems, cable television broadcasting systems, terrestrial digital broadcasting systems, Webcasting systems, etc., are well known.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com