About: http://webisa.webdatacommons.org/343477326

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	In this embodiment, the presence of neighboring devices are established via a local wireless protocol, their IDs uploaded to a central server via a cellular or other network and such information is used to create a positional database.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com