摘要
本文首先介绍了概念检索技术的发展 ,然后通过对概念共现率的分析和计算 ,以此构建 Hopfield神经网络 ,给出了一个基于 Hopfield神经网络来实现概念联想的算法 ;最后抽取《中国分类主题词表》中的部分主题词作为试验数据 。
The paper firstly introduces the development of the concept retrieval technology Then through the analysis and calculation of concept common appearance rates,the hopfield nervous network is constructed It gives algorithm based on the hopfield nervous network to realize concept association Finally,parts of key words from 《The List of Key Words in Chinese Classification》are selected as testing data,and the experimental results are obtained
出处
《情报科学》
CSSCI
北大核心
2004年第3期346-348,共3页
Information Science