BERT-BiGRU-Senti-GCN: An Advanced NLP Framework for Analyzing Customer Sentiments in E-Commerce. - Muhammad Rizwan Rashid Rana; Asif Nawaz; Saif Ur Rehman; Muhammad Ali Abid; Mubariz Garayevi; Jana Kajanová (Int. J. Comput. Intell. Syst., 2025)