Finding Yourself (07 Dec 2004)
We are also investigating how location systems and applications can be built to ensure the trust and privacy of users. Using passive scanning for radio beacons and a locally cached database to map radio sources to their locations, a device running Place Lab-based software computes its location without any need to log on to an access point or an external server (except for a single initial download to cache the radio beacon database).
Article URL: http://www.spectrum.ieee.org/WEBONLY/resource/dec04/1204tool.html
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