Thumbs up? Sentiment Classification using Machine Learning Techniques
Pang et al., 2002, Thumbs up? Sentiment Classification using Machine Learning Techniques (Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing (EMNLP 2002))
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5 Machine Learning Methods
- How is a document represented in Pang et al.’s bag-of-features framework?Fix \(m\) features \(f_1, \ldots, f_m\) (e.g. the word “still” or the bigram “really stinks”); with \(n_i(d)\) the count of \(f_i\) in \(d\), the document vector is \(\vec{d} = (n_1(d), \ldots, n_m(d))\).
- Pang et al., 2002, Thumbs up? Sentiment Classification using Machine Learning Techniques (Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing (EMNLP 2002)), §5, p. 81
Source
- Bo Pang, Lillian Lee and Shivakumar Vaithyanathan. 2002. Thumbs up? Sentiment Classification using Machine Learning Techniques. In Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing (EMNLP 2002), pp. 79–86. https://aclanthology.org/W02-1011/