Identifying works, using a sub-linear time search, such as an approximate nearest neighbor search, for initiating a work-based action, such as an action on the internet

  • US 8,205,237 B2
  • Filed: 10/23/2007
  • Issued: 06/19/2012
  • Est. Priority Date: 09/14/2000
  • Status: Expired due to Term
First Claim
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1. A computer-implemented method comprising:

  • a) receiving, by a computer system including at least one computer, features that were extracted from a media work by a client device;

    b) determining, by the computer system, an identification of the media work using the received features extracted from the media work to perform a sub-linear time search of extracted features of identified media works to identify a neighbor; and

    c) transmitting, by the computer system, information about the identified media work to the client device.

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