Expert Systems

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Das, Amit;
(2015)
Expert systems mimic the problem-solving activity of human experts in specialized domains by capturing and representing expert knowledge. Expert systems include a knowledge base, an inference engine that derives conclusions from the knowledge, and a user interface. Know... View more
  • References (5)

    1 Introduction 6 1.1 De nition of the Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.2 Origin and Evolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

    2 Expert System Principles 7 2.1 Expert System Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Problem-solving Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

    3 Knowledge Representation and Inference 9 3.1 Logic Representation and Reasoning . . . . . . . . . . . . . . . . . . . . . . . 10 3.1.1 Horn-clause Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.1.2 Objects, Attributes and Values . . . . . . . . . . . . . . . . . . . . . . 12 3.2 Diagnostic Problem Solving . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2.1 Deductive Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2.2 Abductive Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2.3 Consistency-based Diagnosis . . . . . . . . . . . . . . . . . . . . . . . 15 3.3 Con guring and Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.4 Uncertainty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.5 Decision Making . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

    [17] Schreiber A.Th., Akkermans H., Anjewierden A., De Hoogh R., Shadbolt N., Van de Velde W., Wielinga B. (2000). Knowledge Engineering and Management: The CommonKADS Methodology. MIT Press, Menlo Park, CA. [Book presenting an overview of the CommonKADS knowledge-engineering methodology.]

    [18] Shachter R.D. (1986). Evaluating in uence diagrams. Operation Research, vol. 34, no. 6, pp. 871{882. [First paper proposing an algorithm to manipulate in uence diagrams for the purpose of decision making.]

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