计算机科学 ›› 2018, Vol. 45 ›› Issue (10): 43-46.doi: 10.11896/j.issn.1002-137X.2018.10.008
• 2018 年中国粒计算与知识发现学术会议 • 上一篇 下一篇
焦娜
JIAO Na
摘要: 特征选择是粗糙集理论中最基本、最重要的研究内容之一。已有的大多数特征选择算法对小规模数据表较为有效。在信息时代,数据表的规模越来越大,传统的特征选择方法对于大规模数据表的计算效率非常低。因此,文中引入分割策略的思想,将大规模数据表分割成若干个较小规模的数据表,然后通过合并所得结果来解决原数据表的特征选择问题。在标准数据集上的实验结果表明了所提算法的有效性。
中图分类号:
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