The document discusses building voice user interface (VUI) skills that support Amazon Alexa using serverless technologies. It covers skill building fundamentals like registering skills on the Amazon developer portal and using the Alexa Skills Kit. It also discusses key concepts like intents, utterances, slots, requests and responses. The document provides examples of building fact and trivia skills using these concepts and Lambda functions.

1. © 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
January 2017
使用 Serverless 技術打造支援 Alexa
的物聯網服務
John Chang (張書源)

2. Today’s agenda
• Skill building fundamentals
• Voice User-Interface
• Advanced skill building
• Idea Challenge

3. 70s 80s 90s 00s Present
mode
GUI
web
mobile
character
VUI

6. Skill Building Fundamentals
Before we code
1. developer.amazon.com
2. aws.amazon.com

7. 8
The Alexa Service
Alexa
Skills
Kit
Alexa
Voice
Services
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.

8. 9
Alexa Skills Kit: Processing a request
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Audio
Request
Response
Your
service
Speech Recognition
Machine Learning
Natural Language Understanding
Text to Speech
Cards

9. 10© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Cards
Alexa Skills Kit: Utterances and Intents
Response
Your
service
Audio
Speech Recognition
Machine Learning
Natural Language Understanding
Text to Speech
Request
Intents
Utterances

10. ASR – Automatic Speech
Recognition
fȯr tē tīmz
• Forty Times?
• For Tea Times?
• For Tee Times?
• Four Tee Times?

11. Alexa, ask Anime Facts for a fact
wake word utteranceskill namelaunch
Utterances and Intents

12. One more please
utterance
Utterances and Intents
Alexa, ask Anime Facts for a fact
wake word utteranceskill namelaunch

13. GetFactIntent
Intent
utterance slot value
Utterances and Intents
One more please
utterance
Alexa, ask Anime Facts for a fact
wake word utteranceskill namelaunch

14. 15© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Audio
Speech Recognition
Machine Learning
Natural Language Understanding
Text to Speech
Cards
Alexa Skills Kit: Requests and Responses
Request
Response
Your
service

15. 16
Alexa Skills Kit: Request and Response
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
“Help”

16. 17
Using Lambda for Processing the
Request & generating the response
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.

17. 18
Time to code: Build a fact of the day skill
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
developer.amazon.com
Skill information
Interaction model
End to end testing
aws.amazon.com
Skill logic
Lambda
Lamdba testing
Check in for the event:
Bit.ly/alexacheckin – event name #Re:Invent

18. AnswerIntent {value: “one”}
slot valueIntent
one is the answer
slot value
Slots in the utterances
The answer is one
slot value
one
slot value

19. 21
Utterances and Intent Schema
Utterances Intent Schema

20. 22
Utterances and Intent Schema
Utterances Intent Schema

21. 23
Built-in and Custom Slot Types

22. 24
Session Attributes
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.

23. 25
Session Persistence
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
exports.handler = function (event, context, callback) {
var alexa = Alexa.handler(event, context);
alexa.appId = appId;
alexa.dynamoDBTableName = 'YourTableName'; // That's it!
alexa.registerHandlers(State1Handlers, State2Handlers);
alexa.execute();
};
this.attributes['yourAttribute'] = 'value';
var yourVariable = this.attributes['yourAttribute']
Add dynamoDB
table name in
your index.js
put
get

24. 26
State Management
Define states
Event handlers
for “Trivia” state
Event handlers
for “Help” state

25. 27
Time to code: Build a local search skill
© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
developer.amazon.com
Skill information
Interaction model
End to end testing
aws.amazon.com
Skill logic
Lambda
Lamdba testing
Check in for the event:
Bit.ly/alexacheckin – event name #Re:Invent

26. Thank you!