In this chapter, we addressed natural language processing basics. Natural language processing aims to implement tools to analyze, understand, and generate texts that people can understand naturally, as if they were communicating with another human interlocutor and not a computer. To begin with, we saw the different phases of text analysis that make it a multilevel structure. The fundamental levels on which the analysis of a sentence is based were addressed. Then, the most frequent applications using natural language processing were analyzed. So the procedures necessary for the treatment of the text were examined.
In the second part of this chapter, we focused on the Natural Language Toolkit, which is a suite of libraries and programs for symbolic and statistical analysis in the field of natural language processing mainly in the English language written in the Python language...