Discrete Subgraph Sampling for Interpretable Graph based Visual Question Answering Pascal Tilli author Ngoc Thang Vu author 2025-01 text Proceedings of the 31st International Conference on Computational Linguistics Owen Rambow editor Leo Wanner editor Marianna Apidianaki editor Hend Al-Khalifa editor Barbara Di Eugenio editor Steven Schockaert editor Association for Computational Linguistics Abu Dhabi, UAE conference publication tilli-vu-2025-discrete https://aclanthology.org/2025.coling-main.167/ 2025-01 2445 2455