Natural Language Understanding in Chatbots
Natural Language Understanding in Chatbots Natural Language Understanding (NLU) is the part of a chatbot that makes sense of what people say. It goes beyond recognizing words; it tries to grasp intent and the important details that guide the next step in a conversation. When a user asks for help or makes a request, strong NLU turns casual speech into structured data that a bot can act on. Two core tasks are intent detection and entity extraction. Intent detection answers: what does the user want to do? Entity extraction finds details like dates, places, or product names. Example: User says “I need a flight to Paris next Friday.” The system identifies intent book_flight and entities destination=Paris, date=next Friday. This structured result lets the bot plan a response rather than guess what the user means. ...