When Not to Answer: Evaluating Prompts on GPT Models for Effective Abstention in Unanswerable Math Word Problems. - Asir Saadat; Tasmia Binte Sogir; Taukir Azam Chowdhury; Syem Aziz (CoRR, 2024)

VisionTrap: Unanswerable Questions On Visual Data. - Asir Saadat; Syem Aziz; Shahriar Mahmud; Abdullah Ibne Masud Mahi; Sabbir Ahmed (CoRR, 2025)