An improved method for feature weighting to document categorization

An improved method for feature weighting to document categorization
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一种改进的文档分类特征加权方法

DOI:
10.1109/icfcc.2010.5497607
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发表时间:
2010-05
期刊:
Proceedings of the 2010 2nd International Conference on Future Computer and Communication,
影响因子:
--
通讯作者:
孔英
孔英
中科院分区:
其他
文献类型:
--
作者:
孔英

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基于特征频率的重要性,提出一种改进的特征频率加权方法,在评价特征频率对文档分类的贡献时考虑决策信息。实验结果表明,该方法可以改善文档集的空间分布。此外,宏准确率、宏召回率和宏F1值均显着提高。
Based on the significance of feature frequency, an improved weighting method for feature frequency is proposed, which considers the decision-making information in evaluating the contribution of feature frequency to document categorization. Experimental results show that this method could improve the space distribution of the document set. Furthermore, the values of macro accuracy, macro recall rate and macroF1 are all improved significantly.
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