About: http://webisa.webdatacommons.org/145734173

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	A further object of the invention is to make the number of channels offered economical, i.e. to make the number correspond essentially to demand with low equipment costs.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com