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System that accesses a knowledge base by markup language tags

  • US 5,737,739 A
  • Filed: 12/19/1995
  • Issued: 04/07/1998
  • Est. Priority Date: 12/19/1995
  • Status: Expired due to Term
First Claim
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1. A viewer for viewing a knowledge base, the knowledge base including a plurality of markup language elements, each of a subset of markup language elements in the knowledge base having a markup language tag which identifies the element in the subset as query element, each query element including a query about an observable condition of a physical system, each of a subset of markup language elements in the knowledge base having a markup language tag which identifies the element in the subset as a corrective action element, each corrective action element being related to a possible way of addressing the condition of a physical system, the markup language elements in the knowledge base being arranged hierarchically in a plurality of decision trees with each query element functioning as a node in a decision tree, each query element and each corrective action element including an identifying code in the tag thereof, comprising:

  • a list of suspects, each suspect being a name relating to a condition of a physical system;

    means for cross-referencing each suspect to at least one query element or corrective action element in the knowledge base, said cross-referencing means identifying elements by the identifying code in the tag thereof; and

    means for retrieving from the knowledge base and displaying, in response to a user entering a suspect to the viewer, a cross-referenced markup language element.

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