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Jayden`s LifeTrip ๐Ÿ”†

๐Ÿ’ฟ Data/์ด๋ชจ์ €๋ชจ

[๋”ฅ๋Ÿฌ๋‹, NLP] ๋ถ„ํฌ ๊ฐ€์„ค, Word2Vec

2022. 3. 6. 18:28

๋ถ„ํฌ ๊ฐ€์„ค(Distributed Representation)

  • ํšŸ์ˆ˜ ๊ธฐ๋ฐ˜์ด ์•„๋‹Œ, ๋‹จ์–ด์˜ ๋ถ„ํฌ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ‘œํ˜„ํ•˜๋Š” ๋ถ„ํฌ๊ธฐ๋ฐ˜ ๋‹จ์–ดํ‘œํ˜„์˜ ๋ฐฐ๊ฒฝ์ด ๋˜๋Š” ๊ฐ€์„ค
  • ๋น„์Šทํ•œ ์œ„์น˜์— ๋“ฑ์žฅํ•˜๋Š” ๋‹จ์–ด๋“ค์€ ๋น„์Šทํ•œ ์˜๋ฏธ๋ฅผ ์ง€๋‹Œ๋‹ค.๋Š” ๊ฐ€์„ค์ž…๋‹ˆ๋‹ค.

Word2Vec

  • ๋ง๊ทธ๋Œ€๋กœ ๋‹จ์–ด๋ฅผ ๋ฒกํ„ฐํ™”ํ•˜๋Š” ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜๋กœ ์›ํ•ซ์ธ์ฝ”๋”ฉ๊ณผ๋Š” ๋‹ค๋ฅธ ๋ถ„์‚ฐ ํ‘œํ˜„ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.
  • ์›ํ•ซ์ธ์ฝ”๋”ฉ์€ ๋‹จ์–ด ๋ฒกํ„ฐ์˜ ์ฐจ์›์ด ๋‹จ์–ด ์ง‘ํ•ฉ์˜ ํฌ๊ธฐ๊ฐ€ ๋˜๋ฉฐ, ํ•ด๋‹นํ•˜์ง€ ์•Š๋Š” ์—ด์—๋Š” ์ „๋ถ€ 0 ๊ฐ’์œผ๋กœ ํฌ์†Œํ•˜๋‹ค๋ฉด, Word2Vec์€ ๋น„๊ต์  ์ €์ฐจ์›์— ๋‹จ์–ด์˜ ์˜๋ฏธ๋ฅผ ๋ถ„์‚ฐํ•˜์—ฌ ํ‘œํ˜„ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
  • ์ฃผ๋ณ€ ๋‹จ์–ด๋ฅผ input์œผ๋กœ ์ค‘์‹ฌ ๋‹จ์–ด๋ฅผ ์˜ˆ์ธกํ•˜๋Š” CBoW ๋ฐฉ๋ฒ•๊ณผ ์ค‘์‹ฌ ๋‹จ์–ด๋ฅผ input์œผ๋กœ ์ฃผ๋ณ€ ๋‹จ์–ด๋ฅผ ์˜ˆ์ธกํ•˜๋Š” Skip-gram ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๋‹ค.

'๐Ÿ’ฟ Data > ์ด๋ชจ์ €๋ชจ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

[๋”ฅ๋Ÿฌ๋‹, NLP] Transformer(Positional encoding, Attention)  (0) 2022.03.07
[๋”ฅ๋Ÿฌ๋‹, NLP] RNN, LSTM, GRU  (0) 2022.03.06
[๋”ฅ๋Ÿฌ๋‹, NLP] ๋ถˆ์šฉ์–ด, ์ถ”์ถœ, BoW/TF-IDF  (0) 2022.03.06
[๋”ฅ๋Ÿฌ๋‹]ํ•˜์ดํผ ํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹(sklearn์˜ RandomizedSearchCV, keras_tuner์˜ RandomSearch)  (0) 2022.03.01
[๋”ฅ๋Ÿฌ๋‹]keras_cifar100 ์ด์šฉํ•œ ๊ฐ„๋‹จ ์‹ ๊ฒฝ๋ง ๋ฐ ๊ณผ์ ํ•ฉ ๋ฐฉ์ง€, ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹  (0) 2022.02.26
    '๐Ÿ’ฟ Data/์ด๋ชจ์ €๋ชจ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • [๋”ฅ๋Ÿฌ๋‹, NLP] Transformer(Positional encoding, Attention)
    • [๋”ฅ๋Ÿฌ๋‹, NLP] RNN, LSTM, GRU
    • [๋”ฅ๋Ÿฌ๋‹, NLP] ๋ถˆ์šฉ์–ด, ์ถ”์ถœ, BoW/TF-IDF
    • [๋”ฅ๋Ÿฌ๋‹]ํ•˜์ดํผ ํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹(sklearn์˜ RandomizedSearchCV, keras_tuner์˜ RandomSearch)
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