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BiLSTM์„ ์ด์šฉํ•œ ์˜ํ™” ๋ฆฌ๋ทฐ ๊ฐ์„ฑ๋ถ„์„

1. ๋ชจ๋ธ ๊ตฌ์กฐ๋„

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  1. ์ •๋‹ต์ด ์žˆ๋Š” ๋„ค์ด๋ฒ„ ์˜ํ™” ๋ฆฌ๋ทฐ ๋ฐ์ดํ„ฐ 15๋งŒ๊ฑด(๋ฐ•์€์ •๋‹˜ ์ œ๊ณต)์— ๋Œ€ํ•ด์„œ ํ’ˆ์‚ฌ ํƒœ๊น…

  2. ํ’ˆ์‚ฌ ํƒœ๊น…ํ•œ ๋‹จ์–ด๋“ค์— ๋Œ€ํ•ด Word2Vec์„ ์ด์šฉํ•ด ํ•™์Šต์‹œํ‚จ ์ž„๋ฒ ๋”ฉ ๋ฒกํ„ฐ๋กœ ๋ณ€ํ™˜

  3. ๋‹จ์–ด ๋ฒกํ„ฐ๋“ค์„ BiLSTM์— ๋„ฃ์–ด์„œ ์–‘์ชฝ ๋ state๋“ค์— ๋Œ€ํ•ด์„œ fully connected layer์™€ Softmaxํ•จ์ˆ˜๋ฅผ ์ด์šฉํ•ด ๋ถ„๋ฅ˜

2. ํ•„์š”ํ•œ ํŒจํ‚ค์ง€

3. ๋ฐ์ดํ„ฐ

  • Training data : ์˜ํ™” ๋ฆฌ๋ทฐ ๋ฐ์ดํ„ฐ 15๋งŒ๊ฑด ratings_train.txt

  • Test data : ์˜ํ™” ๋ฆฌ๋ทฐ ๋ฐ์ดํ„ฐ 5๋งŒ๊ฑด ratings_test.txt

4. ํ•™์Šต

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  1. Sentimental-Analysis ํด๋”๋ฅผ github๋กœ๋ถ€ํ„ฐ ๋‹ค์šด๋กœ๋“œ

  2. Word2Vec_train.py๋กœ ํ’ˆ์‚ฌ ํƒœ๊น…ํ•œ ๋‹จ์–ด๋“ค์— ๋Œ€ํ•ด์„œ Word2Vec ํ•™์Šต ํ›„ ๋ชจ๋ธ ์ €์žฅ Word2vec.model

  3. Word2Vec_Tensorboard.py๋ฅผ ํ†ตํ•ด ์‹œ๊ฐํ™”

  4. cmd์ฐฝ์— cd ./Sentimental-Analysis-master/Sentimental-Analysis-master/Bidirectional_LSTM ๊ฒฝ๋กœ๋กœ ์ด๋™

  5. python Bi_LSTM_train.py ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ์ด์ง„ ๋ถ„๋ฅ˜๊ธฐ ํ•™์Šต

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epoch 4 ์ดํ›„์— overfitting์ด ๋˜๋ฏ€๋กœ epoch 4์—์„œ early stopping์„ ํ•œ๋‹ค.

5. ๊ฒฐ๊ณผ

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  • Bi_LSTM_test.py๋ฅผ ํ†ตํ•ด test data์— ๋Œ€ํ•ด์„œ ์„ฑ๋Šฅ ํ™•์ธ (86.52%)

  • Doc2Vec, Term-existance Naive Bayes์— ์˜ํ•œ ์„ฑ๋Šฅ ๋ณด๋‹ค ๋›ฐ์–ด๋‚จ(๋ฐ•์€์ •)

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  • Grade_review.py๋ฅผ ํ†ตํ•ด ์ง์ ‘ ์ž…๋ ฅํ•œ ๋ฌธ์žฅ์— ์„ฑ๋Šฅ ํ™•์ธ

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Sentimental Analysis with Naver movie ratings

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