Paper:
Language: English:

Knowledge Processing System Using Chaotic Associative Memory

Yuko Osana and Masafumi Hagiwara

Department of Electrical Engineering, Faculty of Science and Technology, Keio University 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522 Japan

Received: October 28, 1998

Accepted: April 8, 1999

Keywords: Knowledge processing, Chaotic neuron, Chaotic associative memory, Semantic network

Journal ref: Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.4, No.1 pp. 39-45, 2000

Abstract

In this paper, we propose a knowledge processing system using chaotic associative memory (KPCAM). KPCAM is based on a chaotic neural network (CAM) composed of chaotic neurons. In conventional chaotic neural network, when a stored pattern is given continuously to the network as an external input, the input pattern vicinity is searched. The CAM makes use of this property to separate superimposed patterns and to deal with many-tomany associations. In this research, the CAM is applied to knowledge processing in which knowledge is represented in a form of semantic network. The proposed KPCAM has the following features: (1) it can deal with knowledge represented in a form of semantic network; (2) it can deal with characteristic inheritance; (3) it is robust for noisy input. A series of computer simulations shows the effectiveness of the proposed system.

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