Question Answer Bot The Question-Answer System is the latest trend in NLP. There are currently two main techniques used for the Question-Answer system. 1 - Open Domain: It is a wast land of NLP applications to build a QA system. A huge amount of data and text used to build such a system. I will write a blog post later about using the Open-Domain QA system. 2 - Closed Domain: A closed domain question system is a narrow domain and strictly answers the questions which can be found in the domain. One example of a Closed Domain question system is a Knowledge-Based system. In this tutorial, I will explain the steps to build a Knowledge-Based QA system. Knowledge Base (KB) question answers are mostly used for FAQs. Where the user asks the questions and the model returns the best-matched answer based on the question. It's easy to implement and easy to integrate with chatbots and websites. It is better to use the KB system for small datasets or narrow domains like questions about a c