What is Rasa

• Open Source
   
• Machine learning framework
   
• Building contextual AI assistants and chatbots
   
• Pipeline dependencies: SpaCy, tensorflow, etc
   
• Rasa X includes a user interface and a REST API
   
• Rasa community

2 components

NLU

Core

Using machine learning to understand the context of the user's message

Deciding how to response to the message, what action to take to carry on the conversation

2 components

NLU

Core

• provide training example
• set up pipeline

• provide 'story' - flow of conversation
• provide action script

Part 1

1. Setup
2. Start a new project
3. Build NLU

Part 2

1. Write domain and stories
2. Write form actions

Part 3

1. Sentiment analysis
2. Reporting function
3. Fallback action

In the Workshop