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cs.LG2026
Towards Self-Explainable Document Visual Question Answering with Chain-of-Explanation Predictions
Kjetil Indrehus, Adrian Duric, Changkyu Choi +1
Document Visual Question Answering (DocVQA) requires vision-language models to reason not only about what information in a document is relevant to a question, but also where the an…
cs.LG2025
Addressing Label Shift in Distributed Learning via Entropy Regularization
Zhiyuan Wu, Changkyu Choi, Xiangcheng Cao +2
We address the challenge of minimizing true risk in multi-node distributed learning. These systems are frequently exposed to both inter-node and intra-node label shifts, which pres…