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Decision Making under Imperfect Recall: Algorithms and Benchmarks

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์ €์ž

Emanuel Tewolde, Brian Hu Zhang, Ioannis Anagnostides, Tuomas Sandholm, Vincent Conitzer

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ์—์ด์ „ํŠธ๊ฐ€ ์ด์ „ ์ •๋ณด๋ฅผ ์žŠ์–ด๋ฒ„๋ฆฌ๋Š” ๋ถˆ์™„์ „ ๊ธฐ์–ต ์˜์‚ฌ๊ฒฐ์ • ๋ฌธ์ œ๋ฅผ ๋‹ค๋ฃจ๊ธฐ ์œ„ํ•œ ์ตœ์ดˆ์˜ ๋ฒค์น˜๋งˆํฌ ๋ชจ์Œ๊ณผ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์ œ์•ˆ๋œ ๋ฒค์น˜๋งˆํฌ๋Š” ๊ฐœ์ธ ์ •๋ณด ๋ณดํ˜ธ ๋ฐ AI ์•ˆ์ „๊ณผ ๊ด€๋ จ๋œ ๋‹ค์–‘ํ•œ ๋ฌธ์ œ ์œ ํ˜•์„ ํฌํ•จํ•˜๋ฉฐ, 61๊ฐœ์˜ ๋ฌธ์ œ ์ธ์Šคํ„ด์Šค์—์„œ ์ฒซ ๋ฒˆ์งธ ์ˆœ์„œ ์ตœ์  ์ „๋žต์„ ์ฐพ๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜๋“ค์˜ ์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•ฉ๋‹ˆ๋‹ค. ํŠนํžˆ, ๋น„์„ ํ˜• ์ œ์•ฝ ์ตœ์ ํ™”๋ฅผ ์œ„ํ•œ ํŒŒ๋ผ๋ฏธํ„ฐ ์—†๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜์ธ 'ํ›„ํšŒ ๋งค์นญ(Regret Matching, RM)' ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์†Œ๊ฐœํ•˜๊ณ , RM ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด ๊ธฐ์กด์˜ ๊ฒฝ์‚ฌ ํ•˜๊ฐ•๋ฒ•๊ณผ ๊ฐ™์€ ์•Œ๊ณ ๋ฆฌ์ฆ˜๋ณด๋‹ค ํ›จ์”ฌ ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ๋ณด์ž„์„ ์ž…์ฆํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
๋ถˆ์™„์ „ ๊ธฐ์–ต ์˜์‚ฌ๊ฒฐ์ • ๋ฌธ์ œ๋ฅผ ์œ„ํ•œ ์ตœ์ดˆ์˜ ํ‘œ์ค€ํ™”๋œ ๋ฒค์น˜๋งˆํฌ ๋ชจ์Œ์€ ๊ด€๋ จ ์—ฐ๊ตฌ ๋ฐœ์ „์— ๊ธฐ์—ฌํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
โ€ข
ํ›„ํšŒ ๋งค์นญ(RM) ์•Œ๊ณ ๋ฆฌ์ฆ˜์€ ๋Œ€๊ทœ๋ชจ ์ œ์•ฝ ์ตœ์ ํ™” ๋ฌธ์ œ ํ•ด๊ฒฐ์— ๊ฐ•๋ ฅํ•œ ๋Œ€์•ˆ์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข
๋ณธ ์—ฐ๊ตฌ๋Š” RM ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์ ์šฉ ๋ฒ”์œ„๋ฅผ ๊ฒŒ์ž„ ์ด๋ก ์„ ๋„˜์–ด ์ผ๋ฐ˜์ ์ธ ์ œ์•ฝ ์ตœ์ ํ™” ๋ฌธ์ œ๋กœ ํ™•์žฅํ•˜๋Š” ๋ฐ ์ค‘์š”ํ•œ ๋ฐœํŒ์„ ๋งˆ๋ จํ–ˆ์Šต๋‹ˆ๋‹ค.
โ€ข
(ํ•œ๊ณ„์  ๋˜๋Š” ํ–ฅํ›„ ๊ณผ์ œ) ๋ณธ ์—ฐ๊ตฌ์—์„œ ์ œ์‹œ๋œ RM ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์„ฑ๋Šฅ์„ ๋”์šฑ ํ–ฅ์ƒ์‹œํ‚ค๊ฑฐ๋‚˜, ๋” ๋ณต์žกํ•œ ๋ถˆ์™„์ „ ๊ธฐ์–ต ๋ชจ๋ธ์— ์ ์šฉํ•˜๋Š” ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
๐Ÿ‘