元语法 meaning in English
n-gram
Examples
- These concepts have an impact on the result of keyword extraction system . the paper brings forward a key concept extraction technique based on the mutual information and context dependency
从常用的n元语法入手，分析该方法存在的问题? ? n元截断效应，提出了一种基于上下文和互信息的关键概念提取方法。 - In this paper , the word segmentation technology of chinese text classification is debated emphatically . and the method of word segmentation based on the phrase labeling of 2 - gram syntax is put forward combining the method of setting separate - signs and the method based on the statistic of word - frequency , which can recognize the vocabularies which the method based on the dictionary can not manage
对于基于信息过滤的自动分类问题，使用字典分词并不是一个必须的过程，因而本文提出了基于2元语法短语标引的分词方法，它将设立切分标志法与基于词频统计的方法相结合，可以识别基于词典方法处理不了的词汇，如：人名、地名、专业术语等。 - Basing on it we bring forward the disambiguation strategy using rule techniques and statistics techniques . in rule model , the acqusition method of rules base is improved . we use the part - of - speech of syntactic category to replace the syntactic category . in addition , statistics method is used to help to construct the rule base . in statistics model , the concept of learning machine - made is presented . in according to the result of learning , the method of calculating transition probabilities and symbol probabilities are amended
在规则方法中，改进了规则库的构建方法，用兼类词词性代替兼类词本身，并尝试使用统计辅助构建规则库；在统计方法中，在二元语法模型基础上引入了学习机制的概念，根据学习结果对词性概率和词汇概率的获取方法进行了修正。