作者：禅与计算机程序设计艺术
1.简介
Natural language processing (NLP) has become a crucial component in various application domains such as speech recognition, text-based chatbots, information retrieval, and document understanding. There are many open-source NLP tools available for developers to build their applications with ease. In this article we will review several popular NLP libraries and frameworks, highlight key features they provide, and discuss some limitations that need further research. We also briefly compare the performance and usage of these tools on different datasets, which will help us determine our choice among them based on our specific requirements. Overall, this article aims to provide an overview of state-of-the-art natural language processing tools and identify potential strengths and weaknesses of each library or framework depending upon our needs. 文章来源：https://uudwc.com/A/AAkvw
2.基本概念、术语说明
We will first define some basic terms and con文章来源地址https://uudwc.com/A/AAkvw
