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Google Is Granted Two More Patents

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The US Patent Office has issued Google two more patents.

One patent, for a similarity search engine - to check duplicate content - was first filed in 2001.

The other, Google's Digital Mapping Systems patent, describes 'various methods, systems and apparatus for implementing aspects of a digital mapping system'.

The similarity engine has had variations filed by IBM and Hitachi, according to a report by VNUNET.


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