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NLP Task
Low-level parsing
- tokenization, stemming
word and phrase level
- Named entity recognition(NER)
- part-of-speech(POS) tagging
- noun-phrase chunking
- dependency parsing
- coreference resolution
Sentence level
- Sentiment analysis
- machine translation
Multi-sentence ans paragraph level
- Entailment prediction
- question answering
- dialog systems
- summarization
Text mining
- Extract useful information and insights from text and document data
- analyzing the trends of keywords
- Document clustering
- topic modeling
- Highly related to computational social science
- analyzing the evolution of people's political tendency
Information retrieval
- Recommendation System 추천시스템(음악, 영상, 광고, 상품 등)
TRENDS OF NLP
word2vec or glove
-> RNN-family models (LSTM, GRU류)
-> attention modules and transformer models (self attention)
-> self-supervised training setting that dooes not require additional labels
-> transfer learning
-> 대기업 주도로 많은 데이터와 리소스로 발전 중
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