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Toto 2.0: Time Series Forecasting Enters the Scaling Era

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์ €์ž

Emaad Khwaja, Chris Lettieri, Gerald Woo, Eden Belouadah, Marc Cenac, Guillaume Jarry, Enguerrand Paquin, Xunyi Zhao, Viktoriya Zhukov, Othmane Abou-Amal, Chenghao Liu, Ameet Talwalkar, David Asker

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ์‹œ๊ณ„์—ด ์˜ˆ์ธก ๋ชจ๋ธ์˜ ๊ทœ๋ชจ ํ™•์žฅ์ด ์˜ˆ์ธก ํ’ˆ์งˆ์„ ๊พธ์ค€ํžˆ ํ–ฅ์ƒ์‹œํ‚จ๋‹ค๋Š” ๊ฒƒ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. ์ด๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ 4๋ฐฑ๋งŒ ๊ฐœ์—์„œ 25์–ต ๊ฐœ๊นŒ์ง€ ๋‹ค์–‘ํ•œ ํŒŒ๋ผ๋ฏธํ„ฐ ๊ทœ๋ชจ๋ฅผ ๊ฐ€์ง„ Toto 2.0 ๋ชจ๋ธ๊ตฐ์„ ๊ณต๊ฐœํ•˜๋ฉฐ, ์ด๋Š” BOOM, GIFT-Eval, TIME ์„ธ ๊ฐ€์ง€ ๋ฒค์น˜๋งˆํฌ์—์„œ ๋ชจ๋‘ ์ตœ์‹  ์„ฑ๋Šฅ์„ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ณธ ๋ณด๊ณ ์„œ๋Š” Toto 2.0์˜ ์•„ํ‚คํ…์ฒ˜, ํ•™์Šต ๋ฐฉ์‹, ํ•™์Šต ๋ฐ์ดํ„ฐ, ๊ทธ๋ฆฌ๊ณ  u-muP ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ์ „์ด ํŒŒ์ดํ”„๋ผ์ธ์— ๋Œ€ํ•œ ์„ค๊ณ„ ๊ฒฐ์ •๊ณผ ์‹คํ—˜ ๊ฒฐ๊ณผ๋ฅผ ์ƒ์„ธํžˆ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
์‹œ๊ณ„์—ด ์˜ˆ์ธก ๋ถ„์•ผ์—์„œ๋„ ๊ฑฐ๋Œ€ ๋ชจ๋ธ(Foundation Model)์˜ ๊ทœ๋ชจ ํ™•์žฅ์ด ํšจ๊ณผ์ ์ด๋ฉฐ, ๋‹จ์ผ ํ•™์Šต ๋ ˆ์‹œํ”ผ๋กœ๋„ ์˜ˆ์ธก ์„ฑ๋Šฅ ํ–ฅ์ƒ์ด ๊ฐ€๋Šฅํ•จ์„ ์ž…์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.
โ€ข
Toto 2.0 ๋ชจ๋ธ๊ตฐ ๊ณต๊ฐœ๋ฅผ ํ†ตํ•ด ๋‹ค์–‘ํ•œ ๊ทœ๋ชจ์˜ ์˜คํ”ˆ ์†Œ์Šค ์‹œ๊ณ„์—ด ์˜ˆ์ธก ๋ชจ๋ธ์„ ์ œ๊ณตํ•˜์—ฌ ์—ฐ๊ตฌ ๋ฐ ์‚ฐ์—…๊ณ„์— ๊ธฐ์—ฌํ•  ๊ฒƒ์œผ๋กœ ๊ธฐ๋Œ€๋ฉ๋‹ˆ๋‹ค.
โ€ข
๋ณธ ์—ฐ๊ตฌ๋Š” ํŠน์ • ํ•™์Šต ๋ ˆ์‹œํ”ผ์™€ ๋ฐ์ดํ„ฐ์…‹์— ๊ธฐ๋ฐ˜ํ•˜๋ฏ€๋กœ, ๋‹ค๋ฅธ ์‹œ๊ณ„์—ด ๋„๋ฉ”์ธ์ด๋‚˜ ํ•™์Šต ๋ฐฉ์‹์— ๋Œ€ํ•œ ์ผ๋ฐ˜ํ™” ๊ฐ€๋Šฅ์„ฑ์„ ์ถ”๊ฐ€์ ์œผ๋กœ ๊ฒ€์ฆํ•  ํ•„์š”๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
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