About: http://webisa.webdatacommons.org/17000398

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	). [0086] In the example shown in FIG. 15, each circle represents an physical area where the device is able to sense an electromagnetic signal from a transmitter, for example, a cell tower if the device is a cell phone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com