2020

Improving Aspect-Level Sentiment Analysis with Aspect Extraction

Majumder, Navonil, Bhardwaj, Rishabh, Poria, Soujanya et al.

Understand

Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA).

  • Although distinct, these two tasks are highly correlated.
  • The work primarily hypothesize that transferring knowledge from a pre-trained AE model can benefit the performance of ALSA models.
  • Based on this hypothesis, word embeddings are obtained during AE and subsequently, feed that to the ALSA model.

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