ABSA-Bench: Towards the Unified Evaluation of Aspect-based Sentiment Analysis Research Abhishek Das author Wei Emma Zhang author 2020-12 text Proceedings of the 18th Annual Workshop of the Australasian Language Technology Association Maria Kim editor Daniel Beck editor Meladel Mistica editor Australasian Language Technology Association Virtual Workshop conference publication das-zhang-2020-absa https://aclanthology.org/2020.alta-1.7/ 2020-12 65 71