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About this paper

Yalun Wu, Bingzhou Wang, Boyang Wang, Peiying Wang, Shaojie He, Yunhan Wang, Shaozu Yuan, Jiawei Wang

TAEC coordinates evidence in multi-step visual document question answering by tracking unresolved answer requirements and using them to guide page admission, memory presentation, and retained-image detail. It is training-free and leaves search planning, visual interpretation, and stopping to the acting model. Across 12 model-benchmark settings, TAEC averages 66.8% accuracy versus 62.3% for a DAG agent, on tested English document-QA setups.

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