A Case Study of Domain Knowledge Discovery Based on LDA Model

机译：基于LDA模型的领域知识发现案例研究

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Literature collections contain a wealth of domain knowledge.This paper proposes an approach based on LDA topic model to discover and represent this body of knowledge.The corpus used in this paper is generated from three educational technology journals, consisting of titles and abstracts of all articles from 2004.1-2009.4.The ;aper performs a multidimension analysis for domain knowledge discovery, including topics discovery, trends analysis, influence measurement and concept hierarchy construction.Results indicate that reasonable and interpretable educational technology domain knowledge is discovered.

机译：文献集包含丰富的领域知识。本文提出了一种基于LDA主题模型的方法来发现和表示这种知识体系。本文所使用的语料库是从三篇教育技术期刊中生成的，由所有文章的标题和摘要组成从2004.1-2009.4开始.aper对领域知识发现进行了多维分析，包括主题发现，趋势分析，影响力度量和概念层次结构构建。结果表明，发现了合理且可解释的教育技术领域知识。

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《International conference on education technology and computer》|2011年|316-319|共4页
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Wang Ping;
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中图分类计算机化教学;
关键词
Domain knowledge discovery; LDA; Topic model; Literature; Educational technology;

机译：领域知识发现; LDA;主题模型;文学;教育技术;

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A Case Study of Domain Knowledge Discovery Based on LDA Model

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