How to implement chatbots for Alexa and Facebook Messenger
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The document discusses how to implement chatbots for Alexa and Facebook Messenger. It provides an overview of key concepts like intents, slots, context and tools like the Amazon Skills Kit and Wit.ai. It also outlines the basic workflows including speech/text recognition and response generation as well as examples of bots built for Alexa and Facebook Messenger using APIs from Amazon, Wit.ai and Facebook.
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How to implement chatbots for Alexa and Facebook Messenger
- 1. 30.01.2017 how to implement chatbots for alexa and fb messenger
- 2. About me Co-Founder and CTO Voice and chat user interfaces in combination with AI to boost productivity at the workplace. botconnect.io Senior Analyst in Residence Observing the technology industry and its impact on business and society to deliver insight and foresight. crisp-research.com
- 3. how does it work? • tools/apis/sdks • orchestration • data transmission
- 4. chatbots • text (aka chat) • voice (aka digital assistants) • medium.com: 10 Differences Between Voice and Text Conversations
- 5. Speech Text Automatic Speech Recognition Text Intention Natural Language Understanding Intention Request Intention Handling Request Text Intention Handling wit.ai wit.ai app alexa ask app app alexa ask Text Speech Speech Synthesis alexa ask alexa stackfb/wit stack VUI TUI CUI
- 6. +
- 7. concepts • intents • slots, values • session attributes (context) • cards • ssml
- 8. tools • amazon skills kit • amazon voice service • amazon lambda (serverless computing)
- 11. alexa enabled device avs/ask 1 Speech input 4 Speech output aws lambda 2 Request 3 Respones Speech recognition Voice -> Text Natural language understanding Unstructured text -> structured data (intents, slots, slot values, session attributes) Speech synthesis Text -> Voice Intent handler „emits“ (speech, cards) wake word engine audio i/o audio streaming
- 16. SSML
- 17. LaunchRequest goto NewExercise Intent: NewExercise store result in context
- 19. coming soon: lex • voice & text • for every device
- 20. why should I buy something like a raw echo dot for 300 bucks?
- 21. +
- 22. IMDB bot - fb messenger https://www.omdbapi.com
- 23. IMDB bot - fb page
- 24. fb messenger api
- 25. fb messenger api
- 26. wit.ai
- 28. app on heroku to expose app in internet you can use ngrok alternatively
- 29. concepts • entities (incl. intents) • actions • context
- 30. messenger wit.ai apiappmessenger api 1 message 2 message app.post(‚/webhook‘,(req,res)) wit.runActions(message) send runActions api webhook send API 4 msg, actiontext 3
- 31. https://developers.facebook.com/docs/messenger-platform/webhook-reference/message callback - incoming message1
- 32. https://wit.ai/docs/http/20160526#post--converse-link Renamed into „send“ action 2 3 * Wit converse api * text to fb text from fb
- 33. https://github.com/hunkim/Wit-Facebook/blob/master/index.js 2 getting & handling the message
- 34. runActions • Wit is instantiated with actions, including ‚send’ • extracts entities from text • calls actions to create values for entities • finally sends text with ‚send‘ action
- 35. Handling the message (actions)