基于本体的文本分类研究综述_管理程序论文 关键词：本体；文本分类；特征降维；分类模型 [gap=791]Key words: ontology; text categorization; feature dimension; classifier model
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feature dimension reduction 特征降维
ear feature dimension 人耳特征维数
feature dimension incremental learning 特征维数增量学习
fractal dimension feature 分形维数特征
two dimension structure feature 二维结构特征
space dimension feature 空间尺度特征
feature e dimension 形体尺寸
feature structural dimension 特征结构尺寸
As feature dimension increases continually,search algorithms costs a lot of time.
随着特征维数的不断增长,搜索性特征选择算法付出巨大的时间代价,而非搜索性算法则由于其时间代价小,而且能有效去除冗余特征等优越性越来越受到关注。
参考来源 - 基于KNN算法的组合式非搜索特征选择算法 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
Feature dimension reduction can be divided into two categories: feature extraction and feature selection.
特征降维可以分为两类：特征抽取和特征提取。
Conclusion the proposed algorithm has greatly reduced the feature dimension and improved the correct identification rate.
结论该算法有效地降低了特征维数，较大地提高了电台的正确识别率。
New requirements are presented to interconnection integration technology because of the decreasing feature dimension in VLSI devices.
随着VL SI器件特征尺寸的缩小，对互连集成技术提出了新的要求。
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