1) Representative feature set
特征词集
2) class character term set
类别特征词集合
3) feature words set
特征概念词集
4) feature words
特征词
1.
It is an important problem how to choice the feature words which can express the topic exactly,and consequently reduce space dimension and time complexity.
文本分类中通常采用向量空间模型(VSM)来表示文本特征,如何选择最能够表达文本主题的特征词,从而减少特征空间维数,降低时空复杂度,是一个十分重要的问题。
2.
We proposed a clustering computing based on feature words.
文章采用特征词的方法,利用特征词将句子聚类,通过实验达到了比较满意的效果。
3.
Different than stressing genealogical lines as is done by comparing feature words of a Pan-Min nature,the extraction of feature words pertaining to Hainan Min dialect is aimed at revealing its peculiarity.
方言特征词是最具方言特色的词语。
5) characteristic words
特征词
1.
This article uses correlative theory and researched date, whose representative characteristic words are from Binyang dialect, Tingzi Pinghua and Hengxian Pinghua, at the same time, com paring with characteristic words from Characteristic Words in Cantonese whose author is Zhang Shuangqing, to analyse the using situation.
方言特征词,对认识一种方言的面貌,认识相关方言区之间的联系有着重要的意义。
2.
This paper introduces the definition and its extract method of Hakka dialects characteristic words, and lists some examples,then stresses the analysis of modern Chinese words in it in order to show the close relation of Hakka dialects and the modern Chinese.
本文介绍了客家方言特征词的界定及其提取方法 ,并列举了部分例子 ,然后重点分析了其中的近代汉语词 ,以此说明客家方言与近代汉语关系紧密。
3.
With the point of characteristic words, it’s very necessary and important to do the comparison.
方言特征词,对认识一种方言的面貌,认识相关方言区之间的联系有着重要的意义。
6) positive feature words
正特征词
1.
To categorize documents hierarchically according to their topics,the thought of Fisher linear discriminant is utilized to get positive feature words and negative feature words in each category, and the algorithm of a hierarchical document categorization is given based on Fisher linear discriminant (HDCF).
将文档按照主题进行层次分类,利用Fisher线性判别式的思想来提取每一类的正特征词和负特征词,给出基于Fisher线性判别式的层次文档分类算法(HDCF)。
补充资料：特征函数(集合的)
特征函数(集合的)
characteristic function (of a set)
xapa眼p雀，ec姗，切脚呀姗].空间X中集合五的 函数义二义:.当x任E时，它的值为l，当、任CE(CE是E在X中的补集)时，它的值为0.XL的在{01}中取值的每个函数都是某一集合的特征函数，即集合E二{、:x(x)=l}，特征函数的性质有 (l)X‘二=l一X;，义;\;=x。(l一X;); (2)如果F三E，则X;;二x:一x;， (3)如果E=七j。E:.则x:‘suP。{义:。}; (4一如果E=自。E，，则x:=inf。{xE。}; (5)如果E，，E:.二是两两互不相交的，则x、‘一公x**; (6)如果刀一厂)、石、，则肠=fl犷*:‘.【补注】一集合的特征函数也称为该集合的指示函数(indicator functi朋).符号l:或老:常用来代替盗.特征函数(集合的)}cha份deris6e加n苗侧(Of a Set)，
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条