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HealthMamba: An Uncertainty-aware Spatiotemporal Graph State Space Model for Effective and Reliable Healthcare Facility Visit Prediction

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Dahai Yu, Lin Jiang, Rongchao Xu, Guang Wang

๐Ÿ’ก ๊ฐœ์š”

๋ณธ ๋…ผ๋ฌธ์€ ์˜๋ฃŒ ์ž์› ์ตœ์ ํ™” ๋ฐ ๊ณต์ค‘ ๋ณด๊ฑด ์ •์ฑ… ์ˆ˜๋ฆฝ์— ํ•„์ˆ˜์ ์ธ ์˜๋ฃŒ ์‹œ์„ค ๋ฐฉ๋ฌธ ์˜ˆ์ธก ๋ฌธ์ œ๋ฅผ ๋‹ค๋ฃน๋‹ˆ๋‹ค. ๊ธฐ์กด ์—ฐ๊ตฌ๋“ค์ด ๊ณต๊ฐ„์  ์ข…์†์„ฑ์„ ๊ฐ„๊ณผํ•˜๊ณ  ๋น„์ •์ƒ ์ƒํ™ฉ์—์„œ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ์˜ˆ์ธก์„ ์ œ๊ณตํ•˜์ง€ ๋ชปํ•˜๋Š” ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•˜๊ธฐ ์œ„ํ•ด, HealthMamba๋Š” ๋ถˆํ™•์‹ค์„ฑ์„ ์ธ์ง€ํ•˜๋Š” ์‹œ๊ณต๊ฐ„ ๊ทธ๋ž˜ํ”„ ์ƒํƒœ ๊ณต๊ฐ„ ๋ชจ๋ธ์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ชจ๋ธ์€ ์ด์งˆ์ ์ธ ์‹œ๊ณต๊ฐ„ ์ •๋ณด๋ฅผ ํ†ตํ•ฉํ•˜๊ณ  ๊ณ„์ธต์  ์‹œ๊ณต๊ฐ„ ๋ชจ๋ธ๋ง์„ ์ˆ˜ํ–‰ํ•˜๋ฉฐ, ์„ธ ๊ฐ€์ง€ ๋ถˆํ™•์‹ค์„ฑ ์ •๋Ÿ‰ํ™” ๋ฉ”์ปค๋‹ˆ์ฆ˜์„ ํ†ตํ•ฉํ•˜์—ฌ ์ •ํ™•ํ•˜๊ณ  ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ์˜ˆ์ธก์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”‘ ์‹œ์‚ฌ์  ๋ฐ ํ•œ๊ณ„

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์ด์งˆ์ ์ธ ์ •์  ๋ฐ ๋™์  ์ •๋ณด๋ฅผ ์œตํ•ฉํ•˜๋Š” ํ†ตํ•ฉ ์‹œ๊ณต๊ฐ„ ์ปจํ…์ŠคํŠธ ์ธ์ฝ”๋”๋Š” ๋ณต์žกํ•œ ์˜๋ฃŒ ์‹œ์„ค ๋ฐฉ๋ฌธ ํŒจํ„ด์„ ์ดํ•ดํ•˜๋Š” ๋ฐ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข
GraphMamba๋Š” ๊ณ„์ธต์  ์‹œ๊ณต๊ฐ„ ๋ชจ๋ธ๋ง์„ ํ†ตํ•ด ์‹œ์„ค ๊ฐ„์˜ ๋ณต์žกํ•œ ๊ณต๊ฐ„์  ๊ด€๊ณ„๋ฅผ ํšจ๊ณผ์ ์œผ๋กœ ํฌ์ฐฉํ•˜๋ฉฐ, ์ด๋Š” ์˜ˆ์ธก ์ •ํ™•๋„๋ฅผ ํ–ฅ์ƒ์‹œํ‚ต๋‹ˆ๋‹ค.
โ€ข
์„ธ ๊ฐ€์ง€ ๋ถˆํ™•์‹ค์„ฑ ์ •๋Ÿ‰ํ™” ๋ฉ”์ปค๋‹ˆ์ฆ˜์˜ ํ†ตํ•ฉ์€ ๊ณต์ค‘ ๋ณด๊ฑด ๋น„์ƒ ์ƒํ™ฉ๊ณผ ๊ฐ™์ด ์˜ˆ์ธก์ด ์–ด๋ ค์šด ์ƒํ™ฉ์—์„œ๋„ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ๋Š” ์˜ˆ์ธก์น˜๋ฅผ ์ œ๊ณตํ•˜๋Š” ๋ฐ ๊ธฐ์—ฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋Œ€๊ทœ๋ชจ ์‹ค์ œ ๋ฐ์ดํ„ฐ์…‹์—์„œ์˜ ์‹คํ—˜ ๊ฒฐ๊ณผ, HealthMamba๋Š” ๊ธฐ์กด ์ตœ์‹  ๊ธฐ๋ฒ• ๋Œ€๋น„ ์˜ˆ์ธก ์ •ํ™•๋„์™€ ๋ถˆํ™•์‹ค์„ฑ ์ •๋Ÿ‰ํ™” ์„ฑ๋Šฅ์„ ๋ชจ๋‘ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค.
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ํ•œ๊ณ„์ ์œผ๋กœ๋Š” ์‹ค์ œ ์ ์šฉ ์‹œ ๋‹ค์–‘ํ•œ ์œ ํ˜•์˜ ์˜๋ฃŒ ์‹œ์„ค ๋ฐ ์ง€์—ญ์  ํŠน์„ฑ์— ๋Œ€ํ•œ ์ถ”๊ฐ€์ ์ธ ์ผ๋ฐ˜ํ™” ๋Šฅ๋ ฅ ๊ฒ€์ฆ์ด ํ•„์š”ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ๋ชจ๋ธ์˜ ๋ณต์žก์„ฑ์œผ๋กœ ์ธํ•œ ๊ณ„์‚ฐ ๋น„์šฉ ๋ฐ ํ•ด์„ ๊ฐ€๋Šฅ์„ฑ์— ๋Œ€ํ•œ ๊ณ ๋ ค๊ฐ€ ์š”๊ตฌ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
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