1) inverse document frequency
逆文档频率
1.
This paper compares several feature selection methods in text categorization, proposes a new feature selection method based on term frequency and inverse document frequency.
本文在分析比较几种用于文本分类的特征选择方法的基础上,提出了一种基于术语频率和逆文档频率的特征选择方法TDF。
2) TF-IDF(term frequency-inverse document frequency)
词频-逆文档频率法
3) document frequency optimization
文档频率优化
4) IDF1
逆向文件频率
5) reverse document order
逆序文档
6) self-adaptive inverse document frequency
自适应倒排文档频率
1.
In this paper, a Chinese news topic detection system is designed and tested by using the improved time window strategy and adopting the self-adaptive inverse document frequency.
文中通过改进加窗策略,采用自适应倒排文档频率,设计了一个中文新闻主题检测系统并进行了实验。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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