About: http://webisa.webdatacommons.org/80294030

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	Obstacles, such as tunnels and closely-knit skyscrapers, can create areas of reduced signal strength within the coverage area.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com