Talk by Martin Mitrevski, Senior Software Engineer at Netcetera, at the iOScon 2018 conference for iOS and Swift developers. Learn how to develop conversational interfaces of iOS.

1. UNDERSTANDING
LANGUAGE ON IOS
Martin Mitrevski
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2. ABOUT ME
➤ iOS at Netcetera
➤ Blogging on
martinmitrevski.com
➤ Book Author - “Developing
Conversational Interfaces for
iOS”
➤ @mitrevski
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3. USER INTERFACES EVOLUTION
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>_

4. Language,
why so complex?
PunctuationAmbiguity
Figurative speech Context
ImplicationsUncertainty
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5. NATURAL LANGUAGE
UNDERSTANDING CONCEPTS
I would like to have a cup of
tea.
Intent Entity
Please make it without sugar. Context
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6. ADDING VOICE TO YOUR APP
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training an agent
with domain
knowledge
provide an interface
to the agent from a
mobile app
speech recognition
on the mobile
device of the user
intent detection and
entities extraction
(REST or local)
executing the user’s
request

7. What can you use?
easy
hard
flexible
!flexi
ble
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8. SIRIKIT
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9. DIALOGFLOW INTENTS
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10. DIALOGFLOW TRAINING
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11. DIALOGFLOW TESTING

12. DEMO
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13. WIT.AI
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14. CORE ML
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15. TF-IDF ALGORITHM
Term in
document
Term in other
documents
Term frequency * inverse document
frequency
Importance of
word
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16. SENTIMENT ANALYSIS - MOVIE
REVIEWS
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17. DO IT YOURSELF - LINGUISTIC
TAGGER
sentences
words
part of speech
paragraphs
lemma
lexical class
language
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18. DO IT YOURSELF - KEYWORDS
EXTRACTION
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19. CHALLENGES
➤ Multi-language support
➤ Offline vs. Online
➤ It will never be perfect
➤ User adoption
➤ Will you add voice to your apps?
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20. THANK YOU!
➤ Questions?
➤ martinmitrevski.com
➤ @mitrevski
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