About: http://webisa.webdatacommons.org/11438622

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	FIG. 3 illustrates an example where there is an obstruction, for example, a building or other object, that blocks the line-of-sight path from the base station to the mobile unit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr