A knowledge acquisition method of decision information system based on formal vector
A technology for decision-making information and knowledge acquisition, applied in the field of knowledge acquisition and knowledge reduction, it can solve problems such as loss of accuracy of knowledge reduction, and achieve the effect of realizing visualization, avoiding cumbersome operations, and high recognition rate.
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[0049] The technical solutions of the present invention will be further described in more detail below in conjunction with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on the embodiments of the present invention, all other implementations obtained by those skilled in the art without creative work For example, all should belong to the protection scope of the present invention.
[0050] Granular computing is a mathematical model for analyzing and solving complex problems. Rough set theory, as one of the important branches, mainly uses approximation operators to approximate uncertain information, so that data can be analyzed and reasoned, and then the hidden knowledge in the data can be mined to reveal its internal laws. Formal concept analysis is a powerful tool for data analysis and rule acquisition based on formal background. As a representation model of knowledge, it mainly relies...
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