๋ชฉ๋กDeepFM (1)

๐ŸŽ ์‹ํ’ˆ์—์„œ AI ๊ณต๋ถ€ํ•˜๊ธฐ

DeepFM

๐Ÿ’ก๋“ค์–ด๊ฐ€๋ฉฐ์ถ”์ฒœ ์‹œ์Šคํ…œ์—์„œ ์‚ฌ์šฉ์ž์™€ ์•„์ดํ…œ ๊ฐ„์˜ ์ƒํ˜ธ์ž‘์šฉ(Interaction)์„ ํšจ๊ณผ์ ์œผ๋กœ, ํŠนํžˆ ๋‹ค์–‘ํ•œ ์ฐจ์›์˜ ์ƒํ˜ธ์ž‘์šฉ์„ ๋ชจ๋‘ ๊ณ ๋ คํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋ธ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. DeepFM์€ ์ด๋Ÿฌํ•œ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด 2017๋…„์— ์ œ์•ˆ๋œ ๋ชจ๋ธ๋กœ, ๋‚ฎ์€ ์ฐจ์›์˜ ์ƒํ˜ธ์ž‘์šฉ(Low-order Interaction)๊ณผ ๋†’์€ ์ฐจ์›์˜ ์ƒํ˜ธ์ž‘์šฉ(High-order Interaction)์„ ๋™์‹œ์— ๊ณ ๋ คํ•˜๋ฉด์„œ๋„ ๋ณต์žกํ•œ ํŠน์„ฑ ๊ณตํ•™(Feature engineering)์ด๋‚˜ ์‚ฌ์ „ ํ•™์Šต(Pre-training) ์—†์ด๋„ ํšจ๊ณผ์ ์ธ ์ถ”์ฒœ์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.I. ์ถ”์ฒœ ์‹œ์Šคํ…œ์—์„œ ์ƒํ˜ธ์ž‘์šฉ์˜ ์ค‘์š”์„ฑ์ถ”์ฒœ ์‹œ์Šคํ…œ์—์„œ๋Š” ๋ช…์‹œ์ ์œผ๋กœ ๋“œ๋Ÿฌ๋‚˜์ง€ ์•Š์€ ์ž ์žฌ์  ํŠน์„ฑ(Implicit feature) ๊ฐ„์˜ ์ƒํ˜ธ์ž‘์šฉ๊นŒ์ง€ ๊ณ ๋ คํ•˜๋Š” ๊ฒƒ์ด ๋งค์šฐ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค. ์ผ์ƒ์—์„œ ๋ณผ ์ˆ˜ ์žˆ๋Š”..