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Building Chatbots with Amazon Lex

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Building Chatbots with Amazon Lex

  1. 1. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Build, Deploy & Operate Intelligent Chatbots with Amazon Lex Ian Massingham | AWS Technical Evangelist @IanMmmm aws.amazon.com/lex
  2. 2. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Building Chatbots with Amazon Lex Why did we build Amazon Lex? What is Amazon Lex? How do I get started using Amazon Lex? Q&A
  3. 3. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Why Did We Build Amazon Lex?
  4. 4. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Advent of Conversational Interactions 1st Gen: Punch Cards & Memory Registers 2nd Gen: Pointers & Sliders 3nd Gen: Conversational Interfaces
  5. 5. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Natural Conversational Access to Applications Conversational Access On-demand Accessible Efficient Natural On-demand Accessible Efficient
  6. 6. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Developer Challenges Effective conversational interfaces need to combine a large number of sophisticated algorithms and technologies Speech Recognition Language Understanding Business Logic Disparate Systems Authentication Messaging platforms Scale Testing Security Availability Mobile
  7. 7. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Lex: 
 A service for building conversational interfaces using voice and text
  8. 8. Amazon Lex - Features Text and speech language understanding: powered by the same technology as Alexa Enterprise SaaS connectors: connect to enterprise systems Deployment to chat services Designed for builders: efficient and intuitive tools to build conversations; scales automatically Versioning and alias support@
  9. 9. Text and Speech Language Understanding Speech Recognition Natural Language Understanding Powered by the same deep learning technology as Alexa
  10. 10. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Deployment to Chat Services Facebook Messenger Mobile Card Description Button 1 Button 2 Button 3 Card Description Option 1 Option 2 Authentication Rich FormattingOne-click deployment Amazon Lex Twilio SMS
  11. 11. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Designed for Builders Efficient and intuitive tools to build conversations
  12. 12. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Versioning and Alias Support AliasVersioning • Supported for Intents, Slots & Bots • Enables multi-developer environment • Rollback to previous versions • Deploy different aliases to different platforms • Run different stacks for dev, stage & prod environments • Target different user groups with different aliases v1 v2 v3 latest v1 Dev v2 Stage v3 Prod
  13. 13. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Lex Utterances Spoken or typed phrases that invoke your intent BookHotel Intents An Intent performs an action in response to natural language user input Slots Slots are input data required to fulfill the intent Fulfilment Fulfilment mechanism for your intent
  14. 14. “Book a Hotel” Book Hotel NYC “Book a Hotel in NYC” Automatic Speech Recognition Hotel Booking New York City Natural Language Understanding Intent/Slot Model UtterancesHotel Booking City New York City Check In Nov 30th Check Out Dec 2nd “Your hotel is booked for Nov 30th” Polly Confirmation: “Your hotel is booked for Nov 30th” “Can I go ahead with the booking? a in
  15. 15. Utterances I’d like to book a hotel I want to make my hotel reservations I want to book a hotel in New York City Can you help me book my hotel?
  16. 16. Slots destination City New York City, Seattle, London, … Slot Type Values Check In Date Valid dates Check Out Date Valid dates
  17. 17. Slot Elicitation I’d like to book a hotel What date do you check in? New York City Sure what city do you want to book? Nov 30th Check In 11/30/2017 City New York City
  18. 18. Fulfilment AWS Lambda Integration Return to Client User input parsed to derive intents and slot values. Output returned to client for further processing. Intents and slots passed to AWS Lambda function for business logic implementation.
  19. 19. Save, Build, and Publish Save Build Saving your bot preserves the current state on the server Building your bot creates versions that you can test Publish Publishing your app will create a version of your bot and provide an alias to your clients Test Test your bot in a chat window on the console
  20. 20. Monitoring Track your bot Request Latency Missed Utterance Count Traffic by Channel
  21. 21. Amazon Lex Pricing   Text Speech Price per 1000 requests $0.75 $4.00 Free Tier* (requests per month) 10,000 5,000 *Available for the first year upon sign-up to new Amazon Lex customers
  22. 22. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Demo: You make the demo! Score me & leave feedback with my Amazon Lex Chatbot at facebook.com/ian.massingham.aws
  23. 23. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS LambdaAmazon Lex Dialog & Fulfilment Code Hook Slot Validation Slot Elicitation Kinesis Stream Kinesis Firehose Delivery Steam Intent Resolution Session Management Slot Extraction Channels (webhooks) Amazon Kinesis Amazon Elasticsearch service Amazon Comprehend Sentiment Analysis Record Ingest Ingest Record Storage, Indexing & Search Dashboards
  24. 24. Dialogue & Validation Function Structure Intent Router HelpMe RateSession Elicit & Validate Slots Post to Kinesis Stream ✅ ProvideFeedback Elicit & Validate Slots Sentiment Enrichment Post to Kinesis Stream ✅ CancelRequest Thanks
  25. 25. Amazon Lex - Technology Amazon Lex Automatic Speech Recognition (ASR) Natural Language Understanding (NLU) Same technology that powers Alexa Cognito CloudTrail CloudWatch AWS Services Action AWS Lambda Authentication & Visibility Speech API Language API Fulfillment End-Users Developers Console SDK Intents, Slots, Prompts, Utterances Input: Speech or Text Multi-Platform Clients: Mobile, IoT, Web, Chat API Output: Speech (via Polly TTS) or Text
  26. 26. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. How Do I Get Started Using 
 Amazon Lex?
  27. 27. Sign up for a free account @ https://aws.amazon.com/lex Build your first bot! ✔ ✔ ✔
  28. 28. © 2017, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Thank You. Any questions? Score me & leave feedback with my Amazon Lex Chatbot at facebook.com/ian.massingham.aws Ian Massingham | AWS Technical Evangelist @IanMmmm aws.amazon.com/lex ianm@amazon.com

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