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Auto playlist generator

  • US 7,296,031 B1
  • Filed: 03/11/2005
  • Issued: 11/13/2007
  • Est. Priority Date: 05/30/2001
  • Status: Expired due to Fees
First Claim
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1. A system that facilitates generating lists, the system comprising:

  • a media library data store that stores client items;

    a reference metadata database that stores descriptive metadata associated with client items;

    an identifying system operable to associate descriptive metadata with client items; and

    a list generation system operably connected to the media library data store and the client item descriptive metadata data store, the list generation system comprising;

    a seed item input subsystem adapted to receive at least one seed item;

    a similarity subsystem operable to produce a similarity value that characterizes the degree to which a candidate client item and the seed item are similar, wherein the similarity subsystem accepts as inputs a feature vector associated with a candidate user item and a feature vector associated with the seed item and produces a difference vector, where the difference vector can be input to a similarity value generator, the similarity value generator producing the similarity value; and

    a list generating subsystem operably connected to the similarity subsystem, the list generating subsystem producing a list based, at least in part, on the degree to which candidate client items are related to the at least one seed item.

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