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Frontiers of Information Technology & Electronic Engineering >> 2020, Volume 21, Issue 7 doi: 10.1631/FITEE.1900057

A knowledge matching approach based on multi-classification radial basis function neural network for knowledge push system

浙江大学流体动力与机电系统国家重点实验室,中国杭州市,310027

Received: 2019-01-31 Accepted: 2020-07-10 Available online: 2020-07-10

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Abstract

We present an exploratory study to improve the performance of a in . We focus on the domain of , where traditional matching algorithms need repeated calculations that result in a long response time and where accuracy needs to be improved. The goal of our approach is to meet designers’ knowledge demands with a quick response and quality service in the . To improve the previous work, two methods are investigated to augment the limited training set in practical operations, namely, oscillating the feature weight and revising the case feature in the case feature vectors. In addition, we propose a multi-classification radial basis function neural network that can match the knowledge from the knowledge base once and ensure the accuracy of pushing results. We apply our approach using the training set in the design of guides by computer numerical control machine tools for training and testing, and the results demonstrate the benefit of the . Moreover, experimental results reveal that our approach outperforms other matching approaches.

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