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Diagnosing faults and errors from a data repository using directed graphs

  • US 7,171,585 B2
  • Filed: 11/26/2003
  • Issued: 01/30/2007
  • Est. Priority Date: 11/26/2003
  • Status: Expired due to Fees
First Claim
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1. A method comprising diagnosing from a data repository at least one fault in a system, said data repository represented as a directed graph having one or more undivided directed subgraphs, the step of diagnosing comprising the steps of:

  • receiving a first description of said at least one fault;

    employing said first description to identify a response from the said data repository;

    if the response is a diagnosis stopping, otherwise identifying at least one subgraph responsive to said first description;

    using said at least one subgraph in determining said diagnosis, stopping if said diagnosis results, otherwise forming a modified description based upon said at least one subgraph; and

    replacing said first description with said modified description and repeating the steps of receiving, employing, identifying and using until said diagnosis results.

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