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ExPath: Targeted Pathway Inference for Biological Knowledge Bases via Graph Learning and Explanation

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์ €์ž

Rikuto Kotoge, Ziwei Yang, Zheng Chen, Yushun Dong, Yasuko Matsubara, Jimeng Sun, Yasushi Sakurai

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ์ƒ๋ฌผํ•™ ์ง€์‹ ๋ฒ ์ด์Šค์—์„œ ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ํ†ตํ•ฉํ•˜์—ฌ ํ‘œ์  ๊ฒฝ๋กœ๋ฅผ ํšจ์œจ์ ์œผ๋กœ ์ถ”์ถœํ•˜๋Š” ๋ฌธ์ œ๋ฅผ ๋‹ค๋ฃน๋‹ˆ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด ๊ทธ๋ž˜ํ”„ ํ•™์Šต ๋ฐ ์„ค๋ช… ๊ธฐ๋ฒ•์„ ํ™œ์šฉํ•œ ์ƒˆ๋กœ์šด ๊ทธ๋ž˜ํ”„ ์ถ”๋ก  ํ”„๋ ˆ์ž„์›Œํฌ์ธ ExPAth๋ฅผ ์ œ์•ˆํ•˜๋ฉฐ, ์ด๋Š” ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ช…์‹œ์ ์œผ๋กœ ํ†ตํ•ฉํ•˜์—ฌ ์ƒ๋ฌผ ๋„คํŠธ์›Œํฌ๋ฅผ ๋ถ„๋ฅ˜ํ•˜๊ณ  ๋ถ„๋ฅ˜์— ๊ธฐ์—ฌํ•˜๋Š” ๋งํฌ(๊ฒฝ๋กœ)๋ฅผ ์‹๋ณ„ํ•ฉ๋‹ˆ๋‹ค. ExPAth๋Š” ๊ธฐ์กด ๋ฐฉ๋ฒ• ๋Œ€๋น„ 4.5๋ฐฐ ๋†’์€ ์ถฉ์‹ค๋„(necessity)์™€ 14๋ฐฐ ๋‚ฎ์€ ์ถฉ์‹ค๋„(sufficiency)๋ฅผ ๋‹ฌ์„ฑํ•˜๋ฉฐ, ๋” ๊ธด ์‹ ํ˜ธ ์ „๋‹ฌ ์ฒด์ธ์„ ๋ณด์กดํ•˜๋Š” ๋“ฑ ์ƒ๋ฌผํ•™์ ์œผ๋กœ ์˜๋ฏธ ์žˆ๋Š” ๊ฒฝ๋กœ ์ถ”๋ก  ๋Šฅ๋ ฅ์„ ์ž…์ฆํ–ˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

โ€ข
์ƒ๋ฌผํ•™ ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ์ง์ ‘ ํ†ตํ•ฉํ•˜์—ฌ ํ‘œ์  ์ƒ๋ฌผ ๊ฒฝ๋กœ๋ฅผ ์ถ”๋ก ํ•˜๋Š” ์ƒˆ๋กœ์šด ์ ‘๊ทผ ๋ฐฉ์‹์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๊ธฐ์กด ์„ค๋ช… ๊ธฐ๋ฐ˜ ๋ชจ๋ธ ๋Œ€๋น„ ์›”๋“ฑํžˆ ํ–ฅ์ƒ๋œ ๊ฒฝ๋กœ ์ถฉ์‹ค๋„์™€ ์‹ ํ˜ธ ์ „๋‹ฌ ์ฒด์ธ ๋ณด์กด ๋Šฅ๋ ฅ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
โ€ข
์ œ์•ˆ๋œ ML ๊ธฐ๋ฐ˜ ์ƒ๋ฌผํ•™์  ํ‰๊ฐ€ ์ง€ํ‘œ ๋ฐ ์ƒˆ๋กœ์šด ์„ฑ๋Šฅ ์ธก์ • ์ง€ํ‘œ๋Š” ํ–ฅํ›„ ๊ด€๋ จ ์—ฐ๊ตฌ์— ๊ธฐ์—ฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข
๋‹ค์–‘ํ•œ ์œ ํ˜•์˜ ์ƒ๋ฌผ ๋„คํŠธ์›Œํฌ์— ๋Œ€ํ•œ ์ผ๋ฐ˜ํ™” ์„ฑ๋Šฅ ๋ฐ ์‹ค์ œ ๋ณต์žกํ•œ ์‹คํ—˜ ๋ฐ์ดํ„ฐ์™€์˜ ํ†ตํ•ฉ ์‹œ ์„ฑ๋Šฅ ๋ณ€ํ™”์— ๋Œ€ํ•œ ์ถ”๊ฐ€ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
๐Ÿ‘