DAGKAN: Medium-Term PV Power Prediction via Dual-Attention GRU and Kolmogorov-Arnold Network. - Jun Yuan 004; Chengsi Yao; Jiayu Zhou; Rongjun Chen 001; Xianxian Zeng; Genhua Huang; Guidong Zhang (Int. J. Comput. Intell. Syst., 2026)