Towards a Robust Metric of Polarity

  title={Towards a Robust Metric of Polarity},
  author={Kamal Nigam and Matthew Hurst},
  booktitle={Computing Attitude and Affect in Text},
This chapter describes an automated system for detecting polar expressions about a specified topic. The two elementary components of this approach are a shallow NLP polar language extraction system and a machine learning based topic classifier. These components are composed together by making a simple but accurate collocation assumption: if a topical sentence contains polar language, the polarity is associated with the topic. We evaluate our system, components and assumption on a corpus of… CONTINUE READING
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