# Aspect-Category-Opinion-Sentiment Quadruple Extraction with Implicit Aspects and Opinions

> Research article (Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers), 2021) · cited 151× · AI/ML

**Wikidata**: [openalex:W3174994995](https://www.wikidata.org/wiki/openalex:W3174994995)  
**Source**: https://4ort.xyz/entity/aspect-category-opinion-sentiment-quadruple-extraction-with-implicit-aspects-and-opinions