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jerryking : triangulation   1

Stuck in traffic? Phone may soon help you escape - The Globe and Mail
Monday, Jan. 15, 2007 | Globe & Mail pg. A12 | by JEFF
GRAY. "In the surprisingly near future, your cellphone may be able to
warn you about a traffic jam ahead, predict precisely how long your
commute home will take, or even recommend an alternative route."
computers essentially take a look at the torrent of data this "pinging"
pours in, using a "triangulation" process based on the time-delay
between pings. Its system figures out which cellphones are moving, where
they are, and how fast they are going. The data are then streamed into a
traffic map and produce precise information on speeds and estimated
travel times not just on major expressways, but on every single road in
cellphone range.
Jeff_Gray  mobile_phones  triangulation  privacy  congestion  competingonanalytics  data_mining  massive_data_sets  location_based_services  metadata  traffic_congestion 
october 2009 by jerryking

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