About: http://webisa.webdatacommons.org/447204994

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	It will also be noted that current GPS signals can be blocked, such as by the evergreen needles, wood, and other material that would be encountered in a wooded area.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com