RetinaQA: A Robust Knowledge Base Question Answering Model for both Answerable and Unanswerable Questions Prayushi Faldu author Indrajit Bhattacharya author Mausam . author 2024-08 text Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication faldu-etal-2024-retinaqa 10.18653/v1/2024.acl-long.359 https://aclanthology.org/2024.acl-long.359/ 2024-08 6643 6656