在一段句子中是由各种词汇组成的.有名词,动词,形容词和副词.要理解这些句子,首先就需要将这些词类识别出来.将词汇按它们的词性(parts-of-speech,POS)分类并相应地对它们进行标注.这个过程叫做词性标注. 要进行词性标注,就需要用到词性标注器(part-of-speech tagger).代码如下 text=nltk.word_tokenize("customer found there are abnormal issue") print(nltk.pos_tag(tex…
QQ:231469242 欢迎喜欢nltk朋友交流 https://www.pythonprogramming.net/text-classification-nltk-tutorial/?completed=/wordnet-nltk-tutorial/ Text Classification with NLTK Now that we're comfortable with NLTK, let's try to tackle text classification. The goal wit…
https://www.pythonprogramming.net/chinking-nltk-tutorial/?completed=/chunking-nltk-tutorial/ 代码 # -*- coding: utf-8 -*- """ Created on Sun Nov 13 09:14:13 2016 @author: daxiong """ import nltk from nltk.corpus import state_un…
Chunking with NLTK 对chunk分类数据结构可以图形化输出,用于分析英语句子主干结构 # -*- coding: utf-8 -*-"""Created on Sun Nov 13 09:14:13 2016@author: daxiong"""import nltksentence="GW.Bush is a big pig."#切分单词words=nltk.word_tokenize(sentence)#…
https://www.pythonprogramming.net/part-of-speech-tagging-nltk-tutorial/?completed=/stemming-nltk-tutorial/ # -*- coding: utf-8 -*- """ Created on Sun Nov 13 09:14:13 2016 @author: daxiong """ import nltk from nltk.corpus impo…