A Fuzzy Logic Framework for Integrating Multiple Learned Models

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The Artificial Intelligence field of Integrating Multiple Learned Models (IMLM) explores ways to combine results from sets of trained programs. Aroclor Interpretation is an ill-conditioned problem in which trained programs must operate in scenarios outside their training ranges because it is intractable to train them completely. Consequently, they fail in ways related to the scenarios. We developed a general-purpose IMLM solution, the Combiner, and applied it to Aroclor Interpretation. The Combiner's first step, Scenario Identification (M), learns rules from very sparse, synthetic training data consisting of results from a suite of trained programs called Methods. S1 produces fuzzy belief weights ... continued below

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Medium: P; Size: 279 pages

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Hartog, Bobi Kai Den March 1, 1999.

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Description

The Artificial Intelligence field of Integrating Multiple Learned Models (IMLM) explores ways to combine results from sets of trained programs. Aroclor Interpretation is an ill-conditioned problem in which trained programs must operate in scenarios outside their training ranges because it is intractable to train them completely. Consequently, they fail in ways related to the scenarios. We developed a general-purpose IMLM solution, the Combiner, and applied it to Aroclor Interpretation. The Combiner's first step, Scenario Identification (M), learns rules from very sparse, synthetic training data consisting of results from a suite of trained programs called Methods. S1 produces fuzzy belief weights for each scenario by approximately matching the rules. The Combiner's second step, Aroclor Presence Detection (AP), classifies each of three Aroclors as present or absent in a sample. The third step, Aroclor Quantification (AQ), produces quantitative values for the concentration of each Aroclor in a sample. AP and AQ use automatically learned empirical biases for each of the Methods in each scenario. Through fuzzy logic, AP and AQ combine scenario weights, automatically learned biases for each of the Methods in each scenario, and Methods' results to determine results for a sample.

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Medium: P; Size: 279 pages

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OSTI as DE00009414

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  • Other Information: TH: Thesis (Ph.D.); Submitted to Univ. of Nebraska, Dept. of Computer Science, Lincoln, NE (US)

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  • Report No.: LA-13494-T
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/9414 | External Link
  • Office of Scientific & Technical Information Report Number: 9414
  • Archival Resource Key: ark:/67531/metadc793407

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  • March 1, 1999

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  • Dec. 19, 2015, 7:14 p.m.

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  • May 6, 2016, 1:24 p.m.

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Hartog, Bobi Kai Den. A Fuzzy Logic Framework for Integrating Multiple Learned Models, thesis or dissertation, March 1, 1999; New Mexico. (digital.library.unt.edu/ark:/67531/metadc793407/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.