Google's Ground Truth mapping
The essence of the Ground Truth project is marrying Google's real-world information with data sets from sources such as cities, census operations, and postal address databases. "You can conflate those two together and correct one with the other," says Michael Weiss-Malik, engineering director for Google's Ground Truth and Map Maker.
May 16, 2013 4:00 AM PDT
Photo by: Stephen Shankland/CNET
| Caption by: Stephen Shankland
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