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Issue:
The feature extraction of Chinese text based on Ontology
Author(s):
Tang Xiao-wen
Pages:
36
-
38,62
Year:
2005
Issue:
1
Journal:
COMPUTER AND INFORMATION TECHNOLOGY
Keyword:
本体论
;
文本特征
;
文本结构
;
统领长度
;
Abstract:
文章提出了一种基于本体论的文本特征提取方法.通过构建文本结构树来充分利用文本结构分析得到的信息,利用本体对领域知识的描述信息来分析特征词之间的关系,而且在特征权值的计算中提出了特征词统领长度的概念和计算方法.实验数据表明该方法提高了文本特征提取的准确性.
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