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+ CHI 2019
/ ๋ฅ˜๋ช…๊ท 
Resilient Chatbots: Repair Strategy
Preferences for Conversational
Breakdowns
- Zahra Ashktorab et al. (IBM Research AI)
01
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04
05
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07
WHY THIS PAPER
INTRODUCTION
REPAIR STRATEGY
METHODOLOGY
RESULT
DISCUSSION
TAKEAWAY
01 WHY THIS PAPER
์ฑ—๋ด‡ ์˜ค๋ฅ˜์— ๋Œ€ํ•œ 8๊ฐ€์ง€ Repair ์ „๋žต์˜ ํšจ๊ณผ๋ฅผ ์—ฐ๊ตฌํ•œ ๋…ผ๋ฌธ
โ€ข ๋ˆ„๊ตฌ๋‚˜ VUI๋ฅผ ๋” ์‰ฝ๊ฒŒ ์“ธ ์ˆ˜ ์žˆ์—ˆ์œผ๋ฉด ์ข‹๊ฒ ๋‹ค

โ€ข ํ˜„์žฌ ์‚ฌ์šฉ์ž๊ฐ€ ๊ฒช๊ณ  ์žˆ๋Š” ์–ด๋ ค์›€

- ๋ฌด์Šจ ๊ธฐ๋Šฅ์ด ์žˆ๋Š”์ง€ ๋ชจ๋ฅด๊ณ , ์–ด๋–ป๊ฒŒ ๋งํ•ด์•ผ ํ• ์ง€๋„ ๋ชจ๋ฆ„ (Discoverability)

- ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ๋Œ€์ฒ˜๊ฐ€ ์–ด๋ ค์›€ (Repair)

- ์˜ค๋ž˜ ์“ด๋‹ค๊ณ  ํ•ด๊ฒฐ๋˜์ง€๋„ ์•Š์Œ (Learnability)
์–ด๋–ป๊ฒŒ ์‹œ๋„๋ฅผ ๋”ํ•ด์•ผ ํ•˜์ง€โ€ฆ?

๋‚ด ๋ง์„ ๋ชป์•Œ์•„ ๋“ฃ๋Š” ๊ฑฐ๋‹ˆ

๋‚ด๊ฐ€ ์ข€ ์–ด๋ ต๊ฒŒ ๋งํ•˜๊ณ  ์žˆ๋‹ˆ

์•„๋‹ˆ๋ฉด ๊ทธ ๊ธฐ๋Šฅ์ด ์—†๋Š”๊ฑฐ๋‹ˆ

์•ˆ์จ!
ํ˜„์žฌ ์‚ฌ์šฉ์ž๊ฐ€ ๋Œ€ํ™”ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•
02 INTRODUCTION
ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ๋Š” ๋ชฉ์ ์„ ๋‹ฌ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ์—๋Ÿฌ ๋Œ€์‘์ฑ…์ด ํ•„์š”
โ€ข ์ฑ—๋ด‡ ๊ฐœ๋ฐœ์ž๋“ค์ด ์ง๋ฉดํ•œ ๋ฌธ์ œ : ์—๋Ÿฌ๋กœ ์ธํ•ด ๋ฐœ์ƒํ•˜๋Š” ๋ถ€์ •์ ์ธ ๊ฒฝํ—˜์„ ์–ด๋–ป๊ฒŒ ๊ฐ์†Œ์‹œํ‚ฌ๊นŒ?

- ์„ ํ–‰ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ณต์†ํ•จ์ด๋‚˜ ์‚ฌ๊ณผํ•˜๋Š” ํƒœ๋„๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ์ž์˜ ๋ถ€์ •์ ์ธ ๊ฐ์ •์„ ์™„ํ™”์‹œํ‚ค๋Š” ์—ฐ๊ตฌ๋ฅผ ์ง„ํ–‰

- ํ•˜์ง€๋งŒ, ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ ์ด๋Š” ํšจ๊ณผ์ ์ด์ง€ ๋ชปํ•จ

- ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ๋Š” ๋ชฉ์  ๋‹ฌ์„ฑ์ด ์ค‘์š” 

โ€ข ๋”ฐ๋ผ์„œ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ๋ชฉ์ ์„ ๋‹ฌ์„ฑํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ๋Œ€์‘์ด ํ•„์š”ํ•จ

- ์‚ฌ๋žŒ ์‚ฌ์ด์˜ ๋Œ€ํ™”์—์„œ ์—๋Ÿฌ๋Š” ์ž์ฃผ ๋ฐœ์ƒํ•˜๊ณ , ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์œผ๋กœ ํ•ด๊ฒฐํ•จ (๋ฐ˜๋ณต, ๋ฌธ์žฅ๋ฐ”๊พธ๊ธฐ, ๋ช…ํ™•ํ•˜๊ฒŒ)

โ€ข Repair๋ฅผ ๋ฐฉํ•ดํ•˜๋Š” ์ฑ—๋ด‡์˜ ๋ฌธ์ œ

- ์—๋Ÿฌ์˜ ํ”์ ์ด ์—†์Œ

- ์‚ฌ์šฉ์ž๊ฐ€ ํšจ๊ณผ์ ์ธ ํ•ด๊ฒฐ์ฑ…์„ ์„ ํƒํ•˜๊ธฐ์—๋Š” ์‹œ์Šคํ…œ ๋ชจ๋ธ์ด ์ต์ˆ™์น˜ ์•Š์Œ
RQ1. 8๊ฐ€์ง€ Repair ์ „๋žต ์ค‘ ์‚ฌ์šฉ์ž๋“ค์€ ์–ด๋–ค ์ „๋žต์„ ์„ ํ˜ธํ•˜๋Š”๊ฐ€?

RQ2. ๊ฐœ์ธ์ ์ธ ์š”์†Œ์™€ ์—…๋ฌด์˜ ์ข…๋ฅ˜๊ฐ€ ์„ ํ˜ธ์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š”๊ฐ€?
03 REPAIR STRATEGY
โ‘  ๋ฌด์‹œ
โ€จ
์ธํ…ํŠธ ์ ๋‹นํžˆ ์žก์•„์„œ ๋‹ต๋ณ€ ์ œ๊ณต
โ‘ก ํ™•์ธํ•˜๊ธฐ
โ€จ
์ธํ…ํŠธ๊ฐ€ ๋งž๋Š”์ง€ ๋ฌผ์–ด ๋ด์„œ ํ™•์ธํ•จ
โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
โ€จ
๋‹ค์‹œ ๋งํ•˜๋„๋ก ์š”์ฒญ
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ
โ€จ
์˜ˆ์ƒ๋˜๋Š” ์ธํ…ํŠธ๋ฅผ ์ œ์‹œํ•จ
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ€จ
์‚ฌ์šฉ์ž ๋ฐœํ™”์— ํ‚ค์›Œ๋“œ๋ฅผ ํ•˜์ด๋ผ์ดํŒ…ํ•จ
โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ€จ
์ƒ๋‹ด์›์ด ๋‹ต๋ณ€ํ•จ
โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ

ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉ์ž์—๊ฒŒ ํ™•์ธํ•จ
โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…

์‚ฌ์šฉ์ž ๋ฐœํ™” ์ค‘ ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
03 REPAIR STRATEGY
โ‘ก ํ™•์ธํ•˜๊ธฐ
โ€จ
์ธํ…ํŠธ๊ฐ€ ๋งž๋Š”์ง€ ๋ฌผ์–ด ๋ด์„œ ํ™•์ธํ•จ
โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
โ€จ
๋‹ค์‹œ ๋งํ•˜๋„๋ก ์š”์ฒญ
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ
โ€จ
์˜ˆ์ƒ๋˜๋Š” ์ธํ…ํŠธ๋ฅผ ์ œ์‹œํ•จ
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ€จ
์‚ฌ์šฉ์ž ๋ฐœํ™”์— ํ‚ค์›Œ๋“œ๋ฅผ ํ•˜์ด๋ผ์ดํŒ…ํ•จ
โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ

ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉ์ž์—๊ฒŒ ํ™•์ธํ•จ
โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ฆฌํŒ…

์‚ฌ์šฉ์ž ๋ฐœํ™” ์ค‘ ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
์—๋Ÿฌ ํ”์  ์—†์Œ
โ‘  ๋ฌด์‹œ
โ€จ
์ธํ…ํŠธ ์ ๋‹นํžˆ ์žก์•„์„œ ๋‹ต๋ณ€ ์ œ๊ณต
Assisted Self-Repair

์—๋Ÿฌ ํ”์  ์žˆ์Œ

+ ์‚ฌ์šฉ์ž๊ฐ€ repairํ•˜๋„๋ก ๋„์™€์คŒ
System-Repair

์—๋Ÿฌ ํ”์  ์žˆ์Œ

+ ์‹œ์Šคํ…œ์ด repairํ•จ
Explicit Acknowledgement of Breakdown

์—๋Ÿฌ ํ”์  ์žˆ์Œ
โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ€จ
์ƒ๋‹ด์›์ด ๋‹ต๋ณ€ํ•จ
04 METHODOLOGY
๋‘ ์ „๋žต์”ฉ ๋น„๊ตํ•˜๋Š” Pairwise Comparison Experiment
โ€ข Scenario : 48๊ฐœ (3 context * 8 repair * 2 outcome success)

- Context : shopping/banking/travel

- Outcome success : ๋‘ ๋ฒˆ์งธ ๋ฐœํ™”์— ๋Œ€ํ•œ ์‘๋‹ต์ด ์„ฑ๊ณตํ•˜๋Š”์ง€, ์‹คํŒจํ•˜๋Š”์ง€

โ€ข Pairwise Comparison Experiment

- 8๊ฐœ ์ค‘ 2๊ฐœ์”ฉ ๋žœ๋คํ•˜๊ฒŒ 10์Œ ๋น„๊ต

- ๋‘˜ ์ค‘ ํ•˜๋‚˜๋ฅผ ๊ณ ๋ฅด๊ณ  ์ด์œ ๋ฅผ ์“ฐ๊ธฐ
10 ์Œ ๋น„๊ต
* 3์ดˆ ๊ฐ„๊ฒฉ์œผ๋กœ ๋งํ’์„  ์˜ฌ๋ผ์˜ด
vs.
โ€ข Attention Check (10์Œ ์ค‘ 2์Œ)

- ์ด์ „๊ณผ ๋™์ผํ•œ ์Œ์œผ๋กœ ๋ณด์—ฌ์ฃผ๊ณ  ๋‹ต์ด ๊ฐ™์€์ง€ ํ™•์ธ

- ํ•ด๊ฒฐํ•œ ๊ฒƒ๊ณผ ํ•ด๊ฒฐ๋ชปํ•œ ๊ฒƒ์ด ์žˆ์„ ๋•Œ, ํ•ด๊ฒฐํ•œ ๊ฒƒ์„ ์„ ํƒํ•˜๋Š”์ง€
05 RESULTS > Preferences of Repair Strategy
์‹œ์Šคํ…œ์ด ๋Šฅ๋™์ ์œผ๋กœ ํ•ด๊ฒฐํ•˜๋ ค๋Š” ์ „๋žต์˜ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์Œ
โ€ข ๊ฐ€์žฅ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์•˜๋˜ Repair ์ „๋žต์€ โ€˜โ‘ฃ ์˜ต์…˜ ์ œ์‹œโ€™

โ€ข ๋‹ต๋ณ€์ด ์‹คํŒจํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” โ€˜โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€โ€™์˜ ์ „๋žต์„ ์„ ํ˜ธ

โ€ข Assisted Self-Repair ์ „๋žต์€ ์ „๋ฐ˜์ ์œผ๋กœ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์Œ
โ‘ก ํ™•์ธํ•˜๊ธฐ
โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ
โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘  ๋ฌด์‹œ
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ
โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘  ๋ฌด์‹œ
โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ
โ‘ก ํ™•์ธํ•˜๊ธฐ
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ
โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ
โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘ก ํ™•์ธํ•˜๊ธฐ
โ‘  ๋ฌด์‹œ
โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
All Data(n=1624) Successful(n=800) Unsuccessful(n=824)
RESULTS > Reasons for Preferences
โ€ข Explicit Acknowledgement of Breakdown

- โ€˜โ‘ก ํ™•์ธํ•˜๊ธฐโ€™๋Š” ๊ณต์†ํ•˜๊ณ  ๋˜‘๋˜‘ํ•˜๋‹ค ๋Š๋‚Œ, ๊ทธ๋Ÿฌ๋‚˜ ๋ฒˆ๊ฑฐ๋กœ์›€

- ๋‘ ์ „๋žต ๋ชจ๋‘ ์ธ๊ฐ„๊ณผ ๋น„์Šทํ•˜๊ฒŒ ์ž์—ฐ์Šค๋Ÿฌ์›€

- ๋ฐ˜๋ณต์ ์ด๊ณ  ๋ฒˆ๊ฑฐ๋กœ์šด ์ ์€ ์ฑ—๋ด‡ ์‚ฌ์šฉ์„ ๊ทธ๋งŒ๋‘๊ฒŒ ๋งŒ๋“ค ์ˆ˜๋„ ์žˆ์„ ๋“ฏ

โ€ข System-Repair

- โ€˜โ‘ฃ ์˜ต์…˜ ์ œ์‹œโ€™์˜ ๊ฒฝ์šฐ ํšจ์œจ์ ์ด๊ณ  ํƒ€์ดํ•‘๊ณผ ๊ฐ™์€ ๋…ธ๋ ฅ์ด ๋œ ๋“ฌ

- ์ฑ—๋ด‡์ด ๋˜‘๋˜‘ํ•˜๋‹ค ๋Š๋‚Œ

- ์•„๋งˆ ํ˜„์‹ค์—์„œ๋Š” ํ•ญ์ƒ ์˜ฌ๋ฐ”๋ฅธ ์„ ํƒ์ง€๋งŒ์€ ์ฃผ์ง€ ์•Š์„ ๊ฒƒ

- ๊ทธ๋Ÿผ์—๋„ ์‹คํŒจ์˜ ๊ฒฝ์šฐ์—๋„ ์„ ํ˜ธ๊ฐ€ ๋†’์€ ๊ฒƒ์€ ์˜๋ฏธ๊ฐ€ ์žˆ์Œ

โ€ข Assisted Self-Repair

- ์ฑ—๋ด‡์„ ๋” ๋˜‘๋˜‘ํ•˜๊ฒŒ ๋ณด์ด๊ฒŒ ํ•จ

- ์–ด๋–ป๊ฒŒ ์ฑ—๋ด‡์ด ๋™์ž‘ํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ๋„์™€์คŒ

- ํ•˜์ง€๋งŒ, ์ž์—ฐ์Šค๋Ÿฝ์ง€๋Š” ์•Š์Œ (GUI ์š”์†Œ ๋•Œ๋ฌธ)

- ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…์ด ์ง๊ด€์ ์œผ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋™์ž‘์„ ์„ค๋ช…ํ•จ. ๊ทธ๋Ÿฌ๋‚˜, ๋‹ค์†Œ ๋ฐ˜๋ณต์ ์ด๊ณ  ์žฅํ™ฉํ•จ

- ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ๋ณด์—ฌ์ฃผ๊ธฐ๋Š” ๋” ๋ช…ํ™•ํ•˜๋‚˜, ์ผ๋ฐ˜์ ์ธ ๋‹จ์–ด๋ฅผ ์ดํ•ด๋ชปํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” ๋œ ๋˜‘๋˜‘ํ•ด ๋ณด์ผ ๊ฒƒ
05
โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€
โ‘ก ํ™•์ธํ•˜๊ธฐ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ
๊ฐ ์ „๋žต์„ ์„ ํ˜ธํ•˜๋Š” ์ด์œ 
RESULTS > Reasons for Preferences
05
DISCUSSION
Design Implication
โ€ข ๋‹จ๋„์ง์ž…์ ์ด๊ณ  ๋ฐ˜๋ณตํ•˜์ง€ ์•Š๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ Misunderstanding์„ ์‹œ์ธํ•˜๊ธฐ

โ€ข ์ž์—ฐ์Šค๋Ÿฝ๊ณ , ๋ฏธํ•™์ ์œผ๋กœ, ์ˆ˜์›”ํ•˜๊ฒŒ ๋ชจ๋ธ์„ ์„ค๋ช…ํ•˜๊ธฐ

- Mechanical, unnatural, visually unappealing, hard to read, confusingํ•˜์ง€ ์•Š๊ฒŒ

- ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…์ด ํšจ์œจ์ , ํ„ด ์ˆ˜๋ฅผ ์•„๋‚„ ์ˆ˜ ์žˆ์Œ

โ€ข ์‚ฌ์šฉ์ž๊ฐ€ ์ปจํŠธ๋กคํ•˜๋ฉด์„œ ์ง€๋Šฅ์ ์ธ Repair์ „๋žต์„ ์ทจํ•˜๋„๋ก

- ์—์ด์ „ํŠธ๊ฐ€ ์„ ์ œ์ ์œผ๋กœ ๋งž๋Š” ํ–‰๋™์„ ์ œ์‹œํ•  ๋•Œ ์„ ํ˜ธ๊ฐ€ ๋†’์Œ

โ€ข ๊ฐœ์ธ๊ณผ ์ปจํ…์ŠคํŠธ๋ฅผ ์ฝ์„ ์ˆ˜ ์žˆ๋Š”

- ์ด ์—ฐ๊ตฌ๊ฐ€ ๋ชจ๋“  ์ƒํ™ฉ์„ ํฌ๊ด„ํ•˜์ง€๋Š” ์•Š์Œ

- ๋ฐ์ดํ„ฐ ๋˜๋Š” ํ”ผ๋“œ๋ฐฑ ๊ธฐ๋ฐ˜์˜ ์ ‘๊ทผ์œผ๋กœ ์‹œ์Šคํ…œ์ด adaptiveํ•˜๊ฒŒ
06
07 TAKEAWAY
โ€ข Repair ์ „๋žต์— ํšจ๊ณผ์ ์ธ ์„ธ ๊ฐ€์ง€ ์š”์†Œ

- ์—๋Ÿฌ์˜ ์›์ธ์„ ๋ณด์—ฌ์ฃผ๋Š” ๊ฒƒ

- ์‚ฌ์šฉ์ž๊ฐ€ repairํ•  ์ˆ˜ ์žˆ๋„๋ก ์ž์›์„ ์ œ๊ณตํ•˜๋Š” ๊ฒƒ

- ์ ๊ทน์ ์œผ๋กœ repair์— ๋Œ€ํ•œ ์ฃผ๋„๊ถŒ์„ ์žก๋Š”๊ฒƒ

โ€ข ์—ฐ๊ตฌ์— ํ•œ๊ณ„๋Š” ๋งŽ์•„ ๋ณด์ด์ง€๋งŒ, 8๊ฐ€์ง€ repair ์ „๋žต์— ๋Œ€ํ•œ ์‚ฌ์šฉ์ž์˜ ๋Œ€๋žต์ ์ธ ์„ ํ˜ธ๋„ ๋ฐ ์ƒ๊ฐ์„ ์ฐธ๊ณ 

โ€ข ์ธ๊ฐ„์˜ ๋Œ€ํ™” + XAI์—์„œ ์˜๊ฐ์„ ์–ป์€ ๊ฒƒ์ด ์ƒˆ๋กœ์šด ๊ด€์ 

- ํ•˜์ง€๋งŒ, ๋ณธ ์—ฐ๊ตฌ์—์„œ ์‚ฌ์šฉํ•œ ๋ฐฉ๋ฒ•์€ text-based๋งŒ ๊ฐ€๋Šฅ + rule-based์—์„œ๋งŒ ๊ฐ€๋Šฅํ•  ๊ฒƒ ๊ฐ™์€โ€ฆ

- Intent-based VUI์—์„œ ๊ฐ€๋Šฅํ•œ ๋ฐฉ๋ฒ•์€ ๋ญ๊ฐ€ ์žˆ์„๊นŒ?
โ€จ
Classifier์˜ confidence๋ฅผ ์ข€ ํ™œ์šฉํ•ด๋ณด๋ฉด ์–ด๋–จ๊นŒ?

โ€ข ํ”„๋กœํ† ํƒ€์ž…์œผ๋กœ ์ง„ํ–‰ํ•œ repair ์ „๋žต ์—ฐ๊ตฌ๋Š” ์•„์ง์€ ์—†๋Š” ๋“ฏโ€ฆ

- ๋ฑ…ํ‚ค ์‹คํ—˜ํ•˜๋ฉด์„œ ๋Š๊ผˆ์ง€๋งŒ, ์ œ์–ด๋„ ์–ด๋ ต๊ณ , ์‹ ๋ขฐ๋„๋„ ์—†์–ด ๋ณด์ž„

- ๊ทธ๋ ‡๋‹ค๊ณ  WoZ๋‚˜ ๋ณธ ์—ฐ๊ตฌ๊ฐ™์€ ์‹คํ—˜์€ ํ•œ๊ณ„๊ฐ€ ๋งŽ์•„ ๋ณด์ž„

- ํ”„๋กœํ† ํƒ€์ž…์˜ ์œ ํšจ์„ฑ(?)์„ ์–ด๋–ป๊ฒŒ ๋ณด์™„ํ•  ์ˆ˜ ์žˆ์„๊นŒโ€ฆ?

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resilient chatbots: repair strategy preferences for conversational breakdowns

  • 1. + CHI 2019 / ๋ฅ˜๋ช…๊ท  Resilient Chatbots: Repair Strategy Preferences for Conversational Breakdowns - Zahra Ashktorab et al. (IBM Research AI)
  • 2. 01 02 03 04 05 06 07 WHY THIS PAPER INTRODUCTION REPAIR STRATEGY METHODOLOGY RESULT DISCUSSION TAKEAWAY
  • 3. 01 WHY THIS PAPER ์ฑ—๋ด‡ ์˜ค๋ฅ˜์— ๋Œ€ํ•œ 8๊ฐ€์ง€ Repair ์ „๋žต์˜ ํšจ๊ณผ๋ฅผ ์—ฐ๊ตฌํ•œ ๋…ผ๋ฌธ โ€ข ๋ˆ„๊ตฌ๋‚˜ VUI๋ฅผ ๋” ์‰ฝ๊ฒŒ ์“ธ ์ˆ˜ ์žˆ์—ˆ์œผ๋ฉด ์ข‹๊ฒ ๋‹ค โ€ข ํ˜„์žฌ ์‚ฌ์šฉ์ž๊ฐ€ ๊ฒช๊ณ  ์žˆ๋Š” ์–ด๋ ค์›€ - ๋ฌด์Šจ ๊ธฐ๋Šฅ์ด ์žˆ๋Š”์ง€ ๋ชจ๋ฅด๊ณ , ์–ด๋–ป๊ฒŒ ๋งํ•ด์•ผ ํ• ์ง€๋„ ๋ชจ๋ฆ„ (Discoverability) - ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ๋Œ€์ฒ˜๊ฐ€ ์–ด๋ ค์›€ (Repair) - ์˜ค๋ž˜ ์“ด๋‹ค๊ณ  ํ•ด๊ฒฐ๋˜์ง€๋„ ์•Š์Œ (Learnability) ์–ด๋–ป๊ฒŒ ์‹œ๋„๋ฅผ ๋”ํ•ด์•ผ ํ•˜์ง€โ€ฆ? ๋‚ด ๋ง์„ ๋ชป์•Œ์•„ ๋“ฃ๋Š” ๊ฑฐ๋‹ˆ ๋‚ด๊ฐ€ ์ข€ ์–ด๋ ต๊ฒŒ ๋งํ•˜๊ณ  ์žˆ๋‹ˆ ์•„๋‹ˆ๋ฉด ๊ทธ ๊ธฐ๋Šฅ์ด ์—†๋Š”๊ฑฐ๋‹ˆ ์•ˆ์จ! ํ˜„์žฌ ์‚ฌ์šฉ์ž๊ฐ€ ๋Œ€ํ™”ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•
  • 4. 02 INTRODUCTION ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ๋Š” ๋ชฉ์ ์„ ๋‹ฌ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ์—๋Ÿฌ ๋Œ€์‘์ฑ…์ด ํ•„์š” โ€ข ์ฑ—๋ด‡ ๊ฐœ๋ฐœ์ž๋“ค์ด ์ง๋ฉดํ•œ ๋ฌธ์ œ : ์—๋Ÿฌ๋กœ ์ธํ•ด ๋ฐœ์ƒํ•˜๋Š” ๋ถ€์ •์ ์ธ ๊ฒฝํ—˜์„ ์–ด๋–ป๊ฒŒ ๊ฐ์†Œ์‹œํ‚ฌ๊นŒ? - ์„ ํ–‰ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ณต์†ํ•จ์ด๋‚˜ ์‚ฌ๊ณผํ•˜๋Š” ํƒœ๋„๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ์ž์˜ ๋ถ€์ •์ ์ธ ๊ฐ์ •์„ ์™„ํ™”์‹œํ‚ค๋Š” ์—ฐ๊ตฌ๋ฅผ ์ง„ํ–‰ - ํ•˜์ง€๋งŒ, ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ ์ด๋Š” ํšจ๊ณผ์ ์ด์ง€ ๋ชปํ•จ - ํƒœ์Šคํฌํ˜• ์ฑ—๋ด‡์—์„œ๋Š” ๋ชฉ์  ๋‹ฌ์„ฑ์ด ์ค‘์š” โ€ข ๋”ฐ๋ผ์„œ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ๋ชฉ์ ์„ ๋‹ฌ์„ฑํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ๋Œ€์‘์ด ํ•„์š”ํ•จ - ์‚ฌ๋žŒ ์‚ฌ์ด์˜ ๋Œ€ํ™”์—์„œ ์—๋Ÿฌ๋Š” ์ž์ฃผ ๋ฐœ์ƒํ•˜๊ณ , ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์œผ๋กœ ํ•ด๊ฒฐํ•จ (๋ฐ˜๋ณต, ๋ฌธ์žฅ๋ฐ”๊พธ๊ธฐ, ๋ช…ํ™•ํ•˜๊ฒŒ) โ€ข Repair๋ฅผ ๋ฐฉํ•ดํ•˜๋Š” ์ฑ—๋ด‡์˜ ๋ฌธ์ œ - ์—๋Ÿฌ์˜ ํ”์ ์ด ์—†์Œ - ์‚ฌ์šฉ์ž๊ฐ€ ํšจ๊ณผ์ ์ธ ํ•ด๊ฒฐ์ฑ…์„ ์„ ํƒํ•˜๊ธฐ์—๋Š” ์‹œ์Šคํ…œ ๋ชจ๋ธ์ด ์ต์ˆ™์น˜ ์•Š์Œ RQ1. 8๊ฐ€์ง€ Repair ์ „๋žต ์ค‘ ์‚ฌ์šฉ์ž๋“ค์€ ์–ด๋–ค ์ „๋žต์„ ์„ ํ˜ธํ•˜๋Š”๊ฐ€? RQ2. ๊ฐœ์ธ์ ์ธ ์š”์†Œ์™€ ์—…๋ฌด์˜ ์ข…๋ฅ˜๊ฐ€ ์„ ํ˜ธ์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š”๊ฐ€?
  • 5. 03 REPAIR STRATEGY โ‘  ๋ฌด์‹œ โ€จ ์ธํ…ํŠธ ์ ๋‹นํžˆ ์žก์•„์„œ ๋‹ต๋ณ€ ์ œ๊ณต โ‘ก ํ™•์ธํ•˜๊ธฐ โ€จ ์ธํ…ํŠธ๊ฐ€ ๋งž๋Š”์ง€ ๋ฌผ์–ด ๋ด์„œ ํ™•์ธํ•จ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ โ€จ ๋‹ค์‹œ ๋งํ•˜๋„๋ก ์š”์ฒญ โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ€จ ์˜ˆ์ƒ๋˜๋Š” ์ธํ…ํŠธ๋ฅผ ์ œ์‹œํ•จ โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ€จ ์‚ฌ์šฉ์ž ๋ฐœํ™”์— ํ‚ค์›Œ๋“œ๋ฅผ ํ•˜์ด๋ผ์ดํŒ…ํ•จ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ€จ ์ƒ๋‹ด์›์ด ๋‹ต๋ณ€ํ•จ โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉ์ž์—๊ฒŒ ํ™•์ธํ•จ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… ์‚ฌ์šฉ์ž ๋ฐœํ™” ์ค‘ ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…
  • 6. 03 REPAIR STRATEGY โ‘ก ํ™•์ธํ•˜๊ธฐ โ€จ ์ธํ…ํŠธ๊ฐ€ ๋งž๋Š”์ง€ ๋ฌผ์–ด ๋ด์„œ ํ™•์ธํ•จ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ โ€จ ๋‹ค์‹œ ๋งํ•˜๋„๋ก ์š”์ฒญ โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ€จ ์˜ˆ์ƒ๋˜๋Š” ์ธํ…ํŠธ๋ฅผ ์ œ์‹œํ•จ โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ€จ ์‚ฌ์šฉ์ž ๋ฐœํ™”์— ํ‚ค์›Œ๋“œ๋ฅผ ํ•˜์ด๋ผ์ดํŒ…ํ•จ โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉ์ž์—๊ฒŒ ํ™•์ธํ•จ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ฆฌํŒ… ์‚ฌ์šฉ์ž ๋ฐœํ™” ์ค‘ ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… ์—๋Ÿฌ ํ”์  ์—†์Œ โ‘  ๋ฌด์‹œ โ€จ ์ธํ…ํŠธ ์ ๋‹นํžˆ ์žก์•„์„œ ๋‹ต๋ณ€ ์ œ๊ณต Assisted Self-Repair ์—๋Ÿฌ ํ”์  ์žˆ์Œ + ์‚ฌ์šฉ์ž๊ฐ€ repairํ•˜๋„๋ก ๋„์™€์คŒ System-Repair ์—๋Ÿฌ ํ”์  ์žˆ์Œ + ์‹œ์Šคํ…œ์ด repairํ•จ Explicit Acknowledgement of Breakdown ์—๋Ÿฌ ํ”์  ์žˆ์Œ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ€จ ์ƒ๋‹ด์›์ด ๋‹ต๋ณ€ํ•จ
  • 7. 04 METHODOLOGY ๋‘ ์ „๋žต์”ฉ ๋น„๊ตํ•˜๋Š” Pairwise Comparison Experiment โ€ข Scenario : 48๊ฐœ (3 context * 8 repair * 2 outcome success) - Context : shopping/banking/travel - Outcome success : ๋‘ ๋ฒˆ์งธ ๋ฐœํ™”์— ๋Œ€ํ•œ ์‘๋‹ต์ด ์„ฑ๊ณตํ•˜๋Š”์ง€, ์‹คํŒจํ•˜๋Š”์ง€ โ€ข Pairwise Comparison Experiment - 8๊ฐœ ์ค‘ 2๊ฐœ์”ฉ ๋žœ๋คํ•˜๊ฒŒ 10์Œ ๋น„๊ต - ๋‘˜ ์ค‘ ํ•˜๋‚˜๋ฅผ ๊ณ ๋ฅด๊ณ  ์ด์œ ๋ฅผ ์“ฐ๊ธฐ 10 ์Œ ๋น„๊ต * 3์ดˆ ๊ฐ„๊ฒฉ์œผ๋กœ ๋งํ’์„  ์˜ฌ๋ผ์˜ด vs. โ€ข Attention Check (10์Œ ์ค‘ 2์Œ) - ์ด์ „๊ณผ ๋™์ผํ•œ ์Œ์œผ๋กœ ๋ณด์—ฌ์ฃผ๊ณ  ๋‹ต์ด ๊ฐ™์€์ง€ ํ™•์ธ - ํ•ด๊ฒฐํ•œ ๊ฒƒ๊ณผ ํ•ด๊ฒฐ๋ชปํ•œ ๊ฒƒ์ด ์žˆ์„ ๋•Œ, ํ•ด๊ฒฐํ•œ ๊ฒƒ์„ ์„ ํƒํ•˜๋Š”์ง€
  • 8. 05 RESULTS > Preferences of Repair Strategy ์‹œ์Šคํ…œ์ด ๋Šฅ๋™์ ์œผ๋กœ ํ•ด๊ฒฐํ•˜๋ ค๋Š” ์ „๋žต์˜ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์Œ โ€ข ๊ฐ€์žฅ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์•˜๋˜ Repair ์ „๋žต์€ โ€˜โ‘ฃ ์˜ต์…˜ ์ œ์‹œโ€™ โ€ข ๋‹ต๋ณ€์ด ์‹คํŒจํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” โ€˜โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€โ€™์˜ ์ „๋žต์„ ์„ ํ˜ธ โ€ข Assisted Self-Repair ์ „๋žต์€ ์ „๋ฐ˜์ ์œผ๋กœ ์„ ํ˜ธ๋„๊ฐ€ ๋†’์Œ โ‘ก ํ™•์ธํ•˜๊ธฐ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘  ๋ฌด์‹œ โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘  ๋ฌด์‹œ โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ โ‘ก ํ™•์ธํ•˜๊ธฐ โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ก ํ™•์ธํ•˜๊ธฐ โ‘  ๋ฌด์‹œ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ All Data(n=1624) Successful(n=800) Unsuccessful(n=824)
  • 9. RESULTS > Reasons for Preferences โ€ข Explicit Acknowledgement of Breakdown - โ€˜โ‘ก ํ™•์ธํ•˜๊ธฐโ€™๋Š” ๊ณต์†ํ•˜๊ณ  ๋˜‘๋˜‘ํ•˜๋‹ค ๋Š๋‚Œ, ๊ทธ๋Ÿฌ๋‚˜ ๋ฒˆ๊ฑฐ๋กœ์›€ - ๋‘ ์ „๋žต ๋ชจ๋‘ ์ธ๊ฐ„๊ณผ ๋น„์Šทํ•˜๊ฒŒ ์ž์—ฐ์Šค๋Ÿฌ์›€ - ๋ฐ˜๋ณต์ ์ด๊ณ  ๋ฒˆ๊ฑฐ๋กœ์šด ์ ์€ ์ฑ—๋ด‡ ์‚ฌ์šฉ์„ ๊ทธ๋งŒ๋‘๊ฒŒ ๋งŒ๋“ค ์ˆ˜๋„ ์žˆ์„ ๋“ฏ โ€ข System-Repair - โ€˜โ‘ฃ ์˜ต์…˜ ์ œ์‹œโ€™์˜ ๊ฒฝ์šฐ ํšจ์œจ์ ์ด๊ณ  ํƒ€์ดํ•‘๊ณผ ๊ฐ™์€ ๋…ธ๋ ฅ์ด ๋œ ๋“ฌ - ์ฑ—๋ด‡์ด ๋˜‘๋˜‘ํ•˜๋‹ค ๋Š๋‚Œ - ์•„๋งˆ ํ˜„์‹ค์—์„œ๋Š” ํ•ญ์ƒ ์˜ฌ๋ฐ”๋ฅธ ์„ ํƒ์ง€๋งŒ์€ ์ฃผ์ง€ ์•Š์„ ๊ฒƒ - ๊ทธ๋Ÿผ์—๋„ ์‹คํŒจ์˜ ๊ฒฝ์šฐ์—๋„ ์„ ํ˜ธ๊ฐ€ ๋†’์€ ๊ฒƒ์€ ์˜๋ฏธ๊ฐ€ ์žˆ์Œ โ€ข Assisted Self-Repair - ์ฑ—๋ด‡์„ ๋” ๋˜‘๋˜‘ํ•˜๊ฒŒ ๋ณด์ด๊ฒŒ ํ•จ - ์–ด๋–ป๊ฒŒ ์ฑ—๋ด‡์ด ๋™์ž‘ํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ๋„์™€์คŒ - ํ•˜์ง€๋งŒ, ์ž์—ฐ์Šค๋Ÿฝ์ง€๋Š” ์•Š์Œ (GUI ์š”์†Œ ๋•Œ๋ฌธ) - ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…์ด ์ง๊ด€์ ์œผ๋กœ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋™์ž‘์„ ์„ค๋ช…ํ•จ. ๊ทธ๋Ÿฌ๋‚˜, ๋‹ค์†Œ ๋ฐ˜๋ณต์ ์ด๊ณ  ์žฅํ™ฉํ•จ - ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ๋ณด์—ฌ์ฃผ๊ธฐ๋Š” ๋” ๋ช…ํ™•ํ•˜๋‚˜, ์ผ๋ฐ˜์ ์ธ ๋‹จ์–ด๋ฅผ ์ดํ•ด๋ชปํ•˜๋Š” ๊ฒฝ์šฐ์—๋Š” ๋œ ๋˜‘๋˜‘ํ•ด ๋ณด์ผ ๊ฒƒ 05 โ‘ฅ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ฆ ํ‚ค์›Œ๋“œ ํ™•์ธ โ‘ง ์ดํ•ด ๋ชปํ•œ ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ… โ‘ฃ ์˜ต์…˜ ์ œ์‹œ โ‘ค ์ƒ๋‹ด์› ๋‹ต๋ณ€ โ‘ก ํ™•์ธํ•˜๊ธฐ โ‘ข ๋ฐ˜๋ณต ์š”์ฒญ ๊ฐ ์ „๋žต์„ ์„ ํ˜ธํ•˜๋Š” ์ด์œ 
  • 10. RESULTS > Reasons for Preferences 05
  • 11. DISCUSSION Design Implication โ€ข ๋‹จ๋„์ง์ž…์ ์ด๊ณ  ๋ฐ˜๋ณตํ•˜์ง€ ์•Š๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ Misunderstanding์„ ์‹œ์ธํ•˜๊ธฐ โ€ข ์ž์—ฐ์Šค๋Ÿฝ๊ณ , ๋ฏธํ•™์ ์œผ๋กœ, ์ˆ˜์›”ํ•˜๊ฒŒ ๋ชจ๋ธ์„ ์„ค๋ช…ํ•˜๊ธฐ - Mechanical, unnatural, visually unappealing, hard to read, confusingํ•˜์ง€ ์•Š๊ฒŒ - ํ‚ค์›Œ๋“œ ํ•˜์ด๋ผ์ดํŒ…์ด ํšจ์œจ์ , ํ„ด ์ˆ˜๋ฅผ ์•„๋‚„ ์ˆ˜ ์žˆ์Œ โ€ข ์‚ฌ์šฉ์ž๊ฐ€ ์ปจํŠธ๋กคํ•˜๋ฉด์„œ ์ง€๋Šฅ์ ์ธ Repair์ „๋žต์„ ์ทจํ•˜๋„๋ก - ์—์ด์ „ํŠธ๊ฐ€ ์„ ์ œ์ ์œผ๋กœ ๋งž๋Š” ํ–‰๋™์„ ์ œ์‹œํ•  ๋•Œ ์„ ํ˜ธ๊ฐ€ ๋†’์Œ โ€ข ๊ฐœ์ธ๊ณผ ์ปจํ…์ŠคํŠธ๋ฅผ ์ฝ์„ ์ˆ˜ ์žˆ๋Š” - ์ด ์—ฐ๊ตฌ๊ฐ€ ๋ชจ๋“  ์ƒํ™ฉ์„ ํฌ๊ด„ํ•˜์ง€๋Š” ์•Š์Œ - ๋ฐ์ดํ„ฐ ๋˜๋Š” ํ”ผ๋“œ๋ฐฑ ๊ธฐ๋ฐ˜์˜ ์ ‘๊ทผ์œผ๋กœ ์‹œ์Šคํ…œ์ด adaptiveํ•˜๊ฒŒ 06
  • 12. 07 TAKEAWAY โ€ข Repair ์ „๋žต์— ํšจ๊ณผ์ ์ธ ์„ธ ๊ฐ€์ง€ ์š”์†Œ - ์—๋Ÿฌ์˜ ์›์ธ์„ ๋ณด์—ฌ์ฃผ๋Š” ๊ฒƒ - ์‚ฌ์šฉ์ž๊ฐ€ repairํ•  ์ˆ˜ ์žˆ๋„๋ก ์ž์›์„ ์ œ๊ณตํ•˜๋Š” ๊ฒƒ - ์ ๊ทน์ ์œผ๋กœ repair์— ๋Œ€ํ•œ ์ฃผ๋„๊ถŒ์„ ์žก๋Š”๊ฒƒ โ€ข ์—ฐ๊ตฌ์— ํ•œ๊ณ„๋Š” ๋งŽ์•„ ๋ณด์ด์ง€๋งŒ, 8๊ฐ€์ง€ repair ์ „๋žต์— ๋Œ€ํ•œ ์‚ฌ์šฉ์ž์˜ ๋Œ€๋žต์ ์ธ ์„ ํ˜ธ๋„ ๋ฐ ์ƒ๊ฐ์„ ์ฐธ๊ณ  โ€ข ์ธ๊ฐ„์˜ ๋Œ€ํ™” + XAI์—์„œ ์˜๊ฐ์„ ์–ป์€ ๊ฒƒ์ด ์ƒˆ๋กœ์šด ๊ด€์  - ํ•˜์ง€๋งŒ, ๋ณธ ์—ฐ๊ตฌ์—์„œ ์‚ฌ์šฉํ•œ ๋ฐฉ๋ฒ•์€ text-based๋งŒ ๊ฐ€๋Šฅ + rule-based์—์„œ๋งŒ ๊ฐ€๋Šฅํ•  ๊ฒƒ ๊ฐ™์€โ€ฆ - Intent-based VUI์—์„œ ๊ฐ€๋Šฅํ•œ ๋ฐฉ๋ฒ•์€ ๋ญ๊ฐ€ ์žˆ์„๊นŒ? โ€จ Classifier์˜ confidence๋ฅผ ์ข€ ํ™œ์šฉํ•ด๋ณด๋ฉด ์–ด๋–จ๊นŒ? โ€ข ํ”„๋กœํ† ํƒ€์ž…์œผ๋กœ ์ง„ํ–‰ํ•œ repair ์ „๋žต ์—ฐ๊ตฌ๋Š” ์•„์ง์€ ์—†๋Š” ๋“ฏโ€ฆ - ๋ฑ…ํ‚ค ์‹คํ—˜ํ•˜๋ฉด์„œ ๋Š๊ผˆ์ง€๋งŒ, ์ œ์–ด๋„ ์–ด๋ ต๊ณ , ์‹ ๋ขฐ๋„๋„ ์—†์–ด ๋ณด์ž„ - ๊ทธ๋ ‡๋‹ค๊ณ  WoZ๋‚˜ ๋ณธ ์—ฐ๊ตฌ๊ฐ™์€ ์‹คํ—˜์€ ํ•œ๊ณ„๊ฐ€ ๋งŽ์•„ ๋ณด์ž„ - ํ”„๋กœํ† ํƒ€์ž…์˜ ์œ ํšจ์„ฑ(?)์„ ์–ด๋–ป๊ฒŒ ๋ณด์™„ํ•  ์ˆ˜ ์žˆ์„๊นŒโ€ฆ?