%0 Journal Article %T Bayesian optimization bidirectional LSTM approach for the condition assessment of underground-operating trains %A Wang, Yu-Ling %A Lu, Yuhang %A Tan, Yan-Ke %A Ao, Wai Kei %A Ni, Yi-Qing %A Tang, Qing-Chen %J Journal of Civil Structural Health Monitoring %V OnlineFirst %P 1-15 %@ 2190-5452 %D 2025-05-02 %I Springer Berlin Heidelberg %~ DeepDyve