NLP is the general term for a set of technologies that deal with natural language. NLU is a focused subset of NLP that deals with actual conversational input.
NLU is able to handle unstructured inputs and convert to a structured, machine understandable form. Words that the user enters are transformed into intents and entities, or Slots. The NLU chatbot is further able to infer intents and Slots from user input, which may be similar to – but not the same as – the examples it has been trained with.
Before we can get started with building chatbots, you will need to understand some concepts first. We will now take a look at the technical meaning of the term chatbot and the names of the pieces which make up a chatbot and work together to deliver a conversational experience to the user.
Chatbot
A chatbot, also known as a bot, is a piece of software that can converse using natural language with the user. The goal is for the user to...