About: http://webisa.webdatacommons.org/276054232

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	The real time integrity parameter can include a signal or other indication of whether any satellites within the GPS constellation 1-64 are inoperable or unsuitable for the required measurements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es