Bi-directional Answer-to-Answer Co-attention for Short Answer Grading using Deep Learning Abebawu Eshetu author Getenesh Teshome author Ribka Alemahu author 2020-07 text Proceedings of the Fourth Widening Natural Language Processing Workshop Rossana Cunha editor Samira Shaikh editor Erika Varis editor Ryan Georgi editor Alicia Tsai editor Antonios Anastasopoulos editor Khyathi Raghavi Chandu editor Association for Computational Linguistics Seattle, USA conference publication eshetu-etal-2020-bi 10.18653/v1/2020.winlp-1.8 https://aclanthology.org/2020.winlp-1.8/ 2020-07 26 30