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Multimedia service system based on user history

  • US 8,341,659 B2
  • Filed: 11/24/2010
  • Issued: 12/25/2012
  • Est. Priority Date: 07/13/2000
  • Status: Expired due to Fees
First Claim
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1. A method implemented by an apparatus for processing user history data, the apparatus including a processor and a storage device, the method comprising:

  • storing in the storage device a hierarchical user history data structure for describing user history; and

    extracting user preference information from the stored hierarchical user history data structure, wherein the hierarchical user history data structure comprises;

    a user information element including information for identifying a user; and

    a first user action list and a separate, second user action list that are respective first and second structural elements at the same level in the hierarchical user history data structure for separately recording different first and second user action types of the user'"'"'s multimedia consumption, wherein the first user action list records prior or current user actions corresponding to the first user action type that includes playing content from multimedia streams and the second user action list records prior or current user actions corresponding to the second user action type that includes skipping content portions of the multimedia streams, each of the first and second user action lists including a respective list of user action data items, wherein each user action data item in the first user action list includes a content reference identifier of a multimedia program which has been played by the user, and wherein each user action data item in the second user action list includes a content reference identifier that identifies a multimedia program a portion of which has been skipped by the user.

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