×

Cause inferring device

  • US 5,950,183 A
  • Filed: 02/04/1997
  • Issued: 09/07/1999
  • Est. Priority Date: 08/09/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A cause inferring device wherein degree of association data indicating degree of association between various phenomenon items and various cause items are prepared as matrix-form data in which one of the phenomenon items and the cause items constitute rows while the other constitute columns, frequency of occurrence data indicating frequency of occurrence of prescribed phenomenon item of the various phenomenon items are input, certainties of the cause items are calculated using the frequency of the input occurrence data and the matrix-form degree of association data, and a cause is inferred from the calculated certainties, wherein the device comprises:

  • phenomenon item selection means for selecting a phenomenon item, other than the phenomenon items whose degree of association data have been input, in accordance with the degree of association data relating to cause items of highest certainty, of the cause items whose certainties have been calculated;

    certainty arithmetic processing means that calculates the occurrence data of the selected phenomenon item and the already-input frequency of occurrence data; and

    repetition means for effecting at least a single repetition of the arithmetic processing performed by the certainty arithmetic processing means and selection processing performed by the phenomenon item selection means,the cause being inferred from the certainties of the cause items calculated as a result of the repetition performed by the repetition means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×