About: http://webisa.webdatacommons.org/453788800

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	Another object of the present invention is to provide a virtual network that allows cellular devices to transmit and receive in underground areas, such as in tunnels and subway stations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com