Predicting normalized difference vegetation index using a deep attention network with bidirectional GRU: a hybrid parametric optimization approach. - Nima Khodadadi; S. K. Towfek; Ahmed Mohamed Zaki; Amal H. Alharbi; Ehsan Khodadadi; Doaa Sami Khafaga; Laith Abualigah; Abdelhameed Ibrahim; Abdelaziz A. Abdelhamid; Marwa Metwally Eid (Int. J. Data Sci. Anal., 2025)