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基于语素的金融证劵域文本情感探测 被引量:8

Emotional Detection of Text in the Financial Domain Based-Morpheme
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摘要 随着数据挖掘和自然语言处理技术的不断提高,Web上评论资源越来越受到研究者们青眯.由于在金融证劵域还没有现成的情感语料库,所以情感分析在金融证劵领域内的应用还很罕见.面对篈?的非结构化Web文本金融信息,充分考虑金融信息的领域特征,运用基于语素分数的文档情感倾向值计算方法对Web文档进行情感分析.对于每个文档计算出一个情感值,情感值的符号表示其情感倾向,情感值的绝对值大小反映文档的倾向强度.这就避免了金融证劵域情感语料库缺少这一局限.实验结果表明,该方法可以有效地分析Web金融信息的情感倾向. 随着数据挖掘和自然语言处理技术的不断提高,Web上评论资源越来越受到研究者们青眯.由于在金融证劵域还没有现成的情感语料库,所以情感分析在金融证劵领域内的应用还很罕见.面对篈?的非结构化Web文本金融信息,充分考虑金融信息的领域特征,运用基于语素分数的文档情感倾向值计算方法对Web文档进行情感分析.对于每个文档计算出一个情感值,情感值的符号表示其情感倾向,情感值的绝对值大小反映文档的倾向强度.这就避免了金融证劵域情感语料库缺少这一局限.实验结果表明,该方法可以有效地分析Web金融信息的情感倾向.
出处 《计算机研究与发展》 EI CSCD 北大核心 2011年第S3期54-59,共6页 Journal of Computer Research and Development
基金 江西省自然科学基金项目(2010GZS0067) 江西省教育厅科技项目重点项目(GJJ09650)
关键词 金融信息 情感分析 领域特征 financial information sentiment analysis domain feature
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参考文献9

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二级参考文献9

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