Is Built of Three Major Components:
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Feature Selection: Lexical + Syntactic Features, (bi-grams, tri-grams), (bi-grams, 4grams), (tri-grams, 4grams)
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Feature Extraction: BOW, TFIDF, Domain-Specific Word Embedding, GloVe, FastText
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Deep Learning & Machine Learning Models: Linear SVM, Multinomial Naive Bayes, Random Forest, LSTM, BI-LSTM, CNN