One of the most popular applications of machine learning are chatbots; they can talk to you like a human being and understand your instructions. These chatbots use natural language processing (NLP) to decipher instructions and return a query or answer based on your questions. Amazon offers a service called Lex (which is a short form of Alexa), where you can build sophisticated chatbots that can perform various tasks.
In this chapter, we will cover the following topics:
- Introducing Amazon Lex
- Building a custom chatbot using Amazon Lex