Google granted US patent for ‘similarity engine’
The US Patent and Trademark Office have finally granted two patents to Google, one for methods and apparatus estimates similarity and another one for a digital mapping system. This patent number 7,158,962 was initially filed during 2001 and took five years to receive approval.
It will describe the method whereby a similarity engine creates compact representative of objects called ‘Sketches’. These sketches that contain weighting could further be compared for similarities.
Google’s Digital Mapping Systems patent explains different methods, systems and apparatus for implementing aspects of a digital mapping system’. It comprises the methods for using map tiles and grids in client-server environments.
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