This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:14725120
rdf:type
prov:Entity
prov:value
Except in special cases in which time, altitude, or other position information is known, a GPS navigation receiver must track at least four satellites to find its antenna's position in three dimensions.
prov:wasQuotedFrom
n4:com
Subject Item
isap:84091523
prov:wasDerivedFrom
isa:14725120