Create next-level AI assistants and transform how customers communicate with businesses with the power of natural language understanding and dialogue management using Rasa

Key Features

Understand the architecture and put the underlying principles of the Rasa framework to practice

Learn how to quickly build different types of chatbots such as task-oriented, FAQ-like, and knowledge graph-based chatbots

Explore best practices for working with Rasa and its debugging and optimizing aspects

Book Description

Conversational AI with Rasa starts by showing you how the two main components at the heart of Rasa work - Rasa NLU (natural language understanding) and Rasa Core. You'll then learn how to build, configure, train, and serve different types of chatbots from scratch by using the Rasa ecosystem. As you advance, you'll use form-based dialogue management, work with the response selector for chitchat and FAQ-like dialogs, make use of knowledge base actions to answer questions for dynamic queries, and much more. Furthermore, you'll understand how to customize the Rasa framework, use conversation-driven development patterns and tools to develop chatbots, explore what your bot can do, and easily fix any mistakes it makes by using interactive learning. Finally, you'll get to grips with deploying the Rasa system to a production environment with high performance and high scalability and cover best practices for building an efficient and robust chat system.

By the end of this book, you'll be able to build and deploy your own chatbots using Rasa, addressing the common pain points encountered in the chatbot life cycle.

What you will learn

Use the response selector to handle chitchat and FAQs

Create custom actions using the Rasa SDK

Train Rasa to handle complex named entity recognition

Become skilled at building custom components in the Rasa framework

Validate and test dialogs end to end in Rasa

Develop and refine a chatbot system by using conversation-driven deployment processing

Use TensorBoard for tuning to find the best configuration options

Debug and optimize dialogue systems based on Rasa

Who this book is for

This book is for NLP professionals as well as machine learning and deep learning practitioners who have knowledge of natural language processing and want to build chatbots with Rasa. Anyone with bner-level knowledge of NLP and deep learning will be able to get the most out of the book.

Table of Contents

Introduction to Chatbots and the Rasa Framework

Natural Language Understanding in Rasa

Rasa Core

Handling Business Logic

Working with Response Selector to Handle chitchat and FAQs

Knowledge Base Actions to Handle Question Answering

Entity Roles and Groups for Complex Named Entity Recognition

Customization of Rasa

Testing and Production Deployment

Conversation-Driven Development and Interactive Learning

Debugging, Optimization, and the Community Ecosystem



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