Preprint
Aug 2026
CDEG: Learning Decision-Critical Evidence for Long-Horizon Diagnostic Agents
CDEG, a graph-based framework that learns reusable decision-critical evidence from historical diagnostic trajectories, is introduced, demonstrating that reliable long-horizon diagnosis requires moving beyond trajectory-level experience reuse toward evidence-level learning of the factors that truly shape clinical decisi...
Xi-Wei Dai, Zi-Jie Meng, Zhiting Fan et al.
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