Introducing the problem statement
In this chapter, our primary goal is to understand how to build a chatbot. Chatbots, or question-answering systems (QA systems), are really helpful. Let's consider a fun example. Suppose you are a student and you have five books to read. Reading and understanding five books may take time. What if you could feed the content of all these five books to the computer and ask only relevant questions? By doing this, students could learn the concepts and new information faster. As we all know, major internet product companies are arranging information so it is easy to access. Chatbots or QA systems will help us understand the meaning behind this information. This is the main reason why chatbots are the buzzword for the year 2017. Whatever application you can think of, you can make a chatbot for it. Many messaging platforms now host chatbots built by developers, including Facebook Messenger, Slack, WeChat, and so on. Chatbots are the new app because they already...