๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

ML/Papers

[IEEE 2010] Tracking the flu pandemic by monitoring the social web ๋ฆฌ๋ทฐ

 

[์ฒซ๋ฒˆ์งธ ์‹]

Mi = maker = ํ‚ค์›Œ๋“œ(flu์™€ ๊ด€๋ จ๋œ)

i = ํ‚ค์›Œ๋“œ ์›์†Œ์ˆ˜ = ํ‚ค์›Œ๋“œ ๊ฐฏ์ˆ˜

j = ํŠธ์œ—์›์†Œ์ˆ˜ = ํŠธ์œ—๊ฐฏ์ˆ˜

S(tj) = ๏ฌ‚u-score of a tweetk

Mi(tj) –ํŠธ์œ—์•ˆ์— ํ‚ค์›Œ๋“œ๊ฐ€ ์žˆ์„ ๋•Œ 1/ ์•„๋‹ ๋•Œ 0

์‹œ๊ทธ๋งˆ I ํ‚ค์›Œ๋“œ ์ˆ˜ ๋งŒํผ iteration ๋Œ๋ ค์„œ ์ด flu-score ๋ฅผ ๊ตฌํ•จ

K = ํ‚ค์›Œ๋“œ ๊ฐฏ์ˆ˜

 

 

[๋‘๋ฒˆ์งธ์‹]

์‹œ๊ทธ๋งˆ j ์ „์ฒด ํŠธ์œ—์ˆ˜๋งŒํผ

N= ํŠธ์œ—์˜ ๊ฐฏ์ˆ˜

 

 

[์˜ˆ์ธก๋ฐฉ๋ฒ•]

least squares linear regression =.์ตœ์†Œ์ œ๊ณฑ๋ฒ•

 

 

[์•„์ด๋””์–ด]

์œ„ ๋…ผ๋ฌธ์—์„œ๋Š” ํŠธ์œ„ํ„ฐ ๋ฐ์ดํ„ฐ๋กœ flu-score๋ฅผ ์˜ˆ์ธกํ•˜๊ณ  ์‹ค์ œ flu-rate์™€ ๋น„์Šทํ•œ ์ถ”์ด๋ฅผ ๋ณด์˜€๋‹ค.

ํŠธ์œ„ํ„ฐ๋กœ fear score๋ฅผ ๋งค๊ธฐ๊ณ , ์‚ฌ๋žŒ๋“ค์ด ๋Š๋ผ๋Š” ๊ณตํฌ๊ฐ ์ˆ˜์น˜์™€ ์‹ค์ œ ๋ฐœ๋ณ‘๋ฅ ์ธ flu-rate๋ฅผ ๋น„๊ตํ•ด๋ณด๋ฉด ์–ด๋–ค ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜ฌ์ง€ ๊ถ๊ธˆํ•˜๋‹ค.


๋…ผ๋ฌธ ์ถœ์ฒ˜

www.researchgate.net/profile/Vasileios_Lampos/publication/224183220_Tracking_the_flu_pandemic_by_monitoring_the_Social_Web/links/53ec0db90cf202d087d00c07/Tracking-the-flu-pandemic-by-monitoring-the-Social-Web.pdf