absa

Aspect-based Sentiment Analysis

The Aspect-based Sentiment Analysis (ABSA) predicts the polarity of an aspect. In contrast to the Entity Classification Task, aspects don't have do be explicitly mentioned in the provided text.

Models

We currently provide the following models:

• SentencePairClassifier

  • Utilizing BERT for Aspect-Based Sentiment Analysis via Constructing Auxiliary Sentence

Datasets

We currently provide the following datasets for this task:

• SemEval2014Task4

  • SemEval-2014 Task 4: Aspect Based Sentiment Analysis
  • Language: English
  • Domain: Restaurant + Laptop Reviews
  • Polarity Labels:
    • positive
    • neutral
    • negative
    • conflict
  • Download

• SemEval2014Task4_Restaurants

  • SemEval-2014 Task 4: Aspect Based Sentiment Analysis
  • Language: English
  • Domain: Restaurant Reviews
  • Polarity Labels: see SemEval2014Task4
  • Download

• SemEval2014Task4_Laptops

  • SemEval-2014 Task 4: Aspect Based Sentiment Analysis
  • Language: English
  • Domain: Laptop Reviews
  • Polarity Labels: see SemEval2014Task4
  • Download

• SemEval2014Task4_Category

  • SemEval-2014 Task 4: Aspect Based Sentiment Analysis
  • Language: English
  • Domain: Restaurant Reviews
  • Polarity Labels: see SemEval2014Task4
  • provides only aspect-categories that are not explicitly mentioned in the text
  • Download