1. 1 year & 2 months ago cited in Using POS tagging to identify valid bigrams for VADER.
  2. 1 year & 2 months ago cited in Starting with Rule-Based Sentiment Analysis.
  3. 1 year & 2 months ago cited in Lexical normalisation technique for lexical sentiment analysis.
  4. 1 year & 3 months ago cited in Introduction to Sentiment Analysis in natural language processing (NLP).