2024
RetinaQA: A Robust Knowledge Base Question Answering Model for both Answerable and Unanswerable Questions
ACL 2024long
An essential requirement for a real-world Knowledge Base Question Answering (KBQA) system is the ability to detect the answerability of questions when generating logical forms. However, state-of-the-art KBQA models assume all questions to be answerable. Recent research has found that such models, wh…