TF:词频
“Term Frequency”(词频)在学术和科学领域中被广泛使用,特别是在高校和研究机构的文本分析、信息检索等相关学科中。为了方便书写与交流,它常被缩写为“TF”。这一术语指某个词语在文档或语料中出现的频率,是自然语言处理和数据挖掘中的基础概念之一。
Term Frequency的英文发音
例句
- This article puts forward the concept of Chinese and English dictionary with reverse term frequency.
- 提出了带反向词频(TF)的中英文词典这一概念。
- In the method, lexical chains are firstly constructed by calculating the semantic similarity between terms, then keywords are selected through taking account of term frequency and area.
- 该方法考虑了词汇之间的语义信息,能够改善关键词标引的性能。
- The results show that it has better short term frequency stability and frequency drife performance with temperature.
- 试验表明,它具有良好的短期频率稳定度和温漂特性。
- The problem of short term frequency stability is one of the key-link techniques in Doppler-velocity measurement.
- 频率短期稳定度问题是多普勒测速关键技术之一。
- Therefore, a text categorization algorithm based on frequent patterns with term frequency is presented.
- 为此,提出了基于分类规则树的带词频(TF)的频繁模式文本分类方法。
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