A multi-element multi-domain dataset for Aspect-Based Sentiment Analysis. [paper]
- "raw_words" is the review sentence;
- "quadruples" is the quadruple list of the given review sentence;
- "aspect" contains the start ("from") and end ("to") indexes of the aspect span, the indexes are "-1" and "-1" when the is "aspect" implicit;
- "category" is selected from the predefined category set;
- "opinion" contains the start ("from") and end ("to") indexes of the opinion span, the indexes are "-1" and "-1" when the is "opinion" implicit;
- "sentiment" is sentiment polarity from {"POS", "NEG", "NEU"}.