This book will show you the essential techniques of text and language processing. Starting with tokenization, stemming, and the WordNet dictionary, you'll progress to part-of-speech tagging, phrase chunking, and named entity recognition. You'll lear
服务机器人 python NLTK 自然语言处理 example 将语音识别后的指令进行语义剖析 ：构建上下文无关语法，匹配语法树，语法树遍历，打印行为序列 example：“find a person from the bedroom and ask him a question” 解析为：go bedroom find person ask question 欢迎提出问题和技术交流
