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Knowledge-informed Bidding with Dual-process Control for Online Advertising

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์ €์ž

Huixiang Luo, Longyu Gao, Yaqi Liu, Qianqian Chen, Pingchun Huang, Tianning Li

๐Ÿ’ก ๊ฐœ์š”

๊ธฐ์กด ์˜จ๋ผ์ธ ๊ด‘๊ณ  ์ž…์ฐฐ ์ตœ์ ํ™” ๋ฐฉ๋ฒ•์€ ๊ณผ๊ฑฐ ๋ฐ์ดํ„ฐ์— ์˜์กดํ•˜๋Š” ๋ธ”๋ž™๋ฐ•์Šค ๋ชจ๋ธ์„ ์‚ฌ์šฉํ•˜์ง€๋งŒ, ์ธ๊ฐ„ ์ „๋ฌธ๊ฐ€์˜ ์ ์‘์ ์ด๊ณ  ๊ฒฝํ—˜ ์ค‘์‹ฌ์ ์ธ ์˜์‚ฌ๊ฒฐ์ •์„ ์žฌํ˜„ํ•˜์ง€ ๋ชปํ•ฉ๋‹ˆ๋‹ค. ๋ณธ ๋…ผ๋ฌธ์€ ์ธ๊ฐ„ ์ „๋ฌธ์„ฑ์„ ๊ท€๋‚ฉ์  ํŽธํ–ฅ์œผ๋กœ ๋‚ด์žฌํ™”ํ•˜๊ณ , Decision Transformer๋ฅผ ํ™œ์šฉํ•˜์—ฌ ๋‹ค๋‹จ๊ณ„ ์ž…์ฐฐ ์‹œํ€€์Šค๋ฅผ ์ตœ์ ํ™”ํ•˜๋ฉฐ, ๋น ๋ฅธ ๊ทœ์น™ ๊ธฐ๋ฐ˜ ์ œ์–ด(System 1)์™€ DT(System 2)๋ฅผ ๊ฒฐํ•ฉํ•œ ์ด์ค‘ ์ฒ˜๋ฆฌ ์ œ์–ด(Dual-process control) ๋ฐฉ์‹์„ ์‚ฌ์šฉํ•˜๋Š” KBD(Knowledge-informed Bidding with Dual-process control)๋ฅผ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์‹คํ—˜ ๊ฒฐ๊ณผ, KBD๋Š” ๊ธฐ์กด ๋ฐฉ๋ฒ• ๋Œ€๋น„ ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ๋ณด์—ฌ์ฃผ๋ฉฐ, ์ธ๊ฐ„ ์ „๋ฌธ์„ฑ ๋ฐ ์ด์ค‘ ์ฒ˜๋ฆฌ ์ œ์–ด์˜ ์ด์ ์„ ๊ฐ•์กฐํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
์˜จ๋ผ์ธ ๊ด‘๊ณ  ์ž…์ฐฐ ์ตœ์ ํ™”์— ์ธ๊ฐ„ ์ „๋ฌธ๊ฐ€์˜ ์ง€์‹๊ณผ ๊ฒฝํ—˜์„ ํšจ๊ณผ์ ์œผ๋กœ ํ†ตํ•ฉํ•  ์ˆ˜ ์žˆ๋Š” ์ƒˆ๋กœ์šด ๋ฐฉ๋ฒ•๋ก ์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋‹ค๋‹จ๊ณ„ ์ž…์ฐฐ ์‹œํ€€์Šค์˜ ์ „์—ญ์  ์ตœ์ ํ™”์™€ ์ธ๊ฐ„ ์ „๋ฌธ๊ฐ€์˜ ์ง๊ด€์  ํŒ๋‹จ์„ ๊ฒฐํ•ฉํ•˜๋Š” ์ด์ค‘ ์ฒ˜๋ฆฌ ์ œ์–ด ๋ฐฉ์‹์ด ์„ฑ๋Šฅ ํ–ฅ์ƒ์— ๊ธฐ์—ฌํ•จ์„ ์ž…์ฆํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋ฐ์ดํ„ฐ ๋ถ€์กฑ, ์žฅ๊ธฐ์ ์ธ ์ƒํ˜ธ ์˜์กด์„ฑ ๋ฌด์‹œ, ๋ถ„ํฌ ์™ธ(out-of-distribution) ์‹œ๋‚˜๋ฆฌ์˜ค ์ ์‘ ๋ฌธ์ œ ๋“ฑ ๊ธฐ์กด ๋ฐฉ๋ฒ•๋ก ์˜ ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•  ๊ฐ€๋Šฅ์„ฑ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
โ€ข
์ œ์•ˆ๋œ ๋ฐฉ๋ฒ•์˜ ์‹ค์ œ ํ™˜๊ฒฝ ์ ์šฉ ์‹œ ํšจ์œจ์„ฑ ๋ฐ ํ™•์žฅ์„ฑ, ๊ทธ๋ฆฌ๊ณ  ์ธ๊ฐ„ ์ „๋ฌธ์„ฑ ํ†ตํ•ฉ ๋ฐฉ์‹์˜ ์ผ๋ฐ˜ํ™” ๊ฐ€๋Šฅ์„ฑ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
๐Ÿ‘