About: http://webisa.webdatacommons.org/146412195

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	Topics include: telephones, radio and other wireless transmissions, transmitters and receivers, relays and content filters, signal converters, ???
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com