An optimized LSTM network for improving arbitrage spread forecasting using ant colony cross-searching in the K-fold hyperparameter space. - Zeliang Zeng; Panke Qin; Yue Zhang; Yongli Tang; Shenjie Cheng; Sensen Tu; Yongjie Ding; Zhenlun Gao; Yaxing Liu (PeerJ Comput. Sci., 2024)