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Method for constructing expert system based on knowledge discovery

A technology of knowledge discovery and construction methods, applied in the field of artificial intelligence and expert systems, can solve problems such as poor self-learning ability, monotonous reasoning technology, and insufficient knowledge, so as to reduce the amount of evaluation, reduce manual participation, and improve cognition autonomy effect

Inactive Publication Date: 2007-12-26
UNIV OF SCI & TECH BEIJING
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AI Technical Summary

Problems solved by technology

[0015] The object of the present invention is to provide a method for constructing an expert system based on knowledge discovery to expand the existing expert system; to overcome inherent deficiencies, especially monotonous reasoning techniques, poor self-learning ability, and insufficient knowledge

Method used

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  • Method for constructing expert system based on knowledge discovery
  • Method for constructing expert system based on knowledge discovery
  • Method for constructing expert system based on knowledge discovery

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Embodiment Construction

[0106] 1. Theoretical basis: From the relationship in Figure 9, the following related definitions can be given:

[0107] 1.1 Knowledge representation method - language field and language value structure (see relevant patent application documents for details);

[0108] Definition 1: C=, if the following conditions are met:

[0109] (1) D is the set of intersecting closed intervals on the domain R of the basic variable, and D+ is its corresponding open set;

[0110] (2) N≠Φ is a finite set of linguistic values;

[0111] (3) ≤ N is a total order relation on N;

[0112] (4) I: N→D is a standard value mapping, which satisfies order preservation, that is: n1, n2∈N(n1≠n2∧n1≤N n2→I(n1)≤I(n2)), (≤ is partial order relationship); then C is called a language field.

[0113] Definition 2: For language field C=, F= is said to be the language value structure of C, if: (1) C satisfies Definition 1;

[0114] (2) K is a natural number;

[0115] (3) W: N→Rk satisfies:

[0116]  n1, n2 ...

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Abstract

A method for structuring specialist system based on knowledge discovery includes forming new knowledge base unit by knowledge obtained from inference mechanism and knowledge learned from failure and mistakes, adding new knowledge obtaining-channel on said system, setting knowledge discovery process module in databank and setting knowledge discovery-creating mechanism and model in knowledge base.

Description

technical field [0001] The invention belongs to the technical field of artificial intelligence and expert systems, in particular to a method for constructing an expert system based on knowledge discovery (ESKD, Expert System Based on Knowledge Discovery). Background technique [0002] 1. Artificial intelligence is a comprehensive discipline developed by the interpenetration of computer science, cybernetics, information theory, neurophysiology, psychology, linguistics and other disciplines. Its essence is to study how to create artificial intelligent machines or intelligent system to simulate human intelligence activities and extend them. Therefore, the research on practical intelligent systems has been one of the most core and active branches in this research field since the early days of the artificial intelligence discipline. In the past few decades, practical intelligent systems have been greatly developed, and now include expert systems, decision support systems, foreca...

Claims

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Application Information

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IPC IPC(8): G06N5/00
Inventor 杨炳儒
Owner UNIV OF SCI & TECH BEIJING
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