Expression of Concern: Towards Autonomous Optical Fiber Networks: High-Precision EDFA Gain and Spectral Response Prediction via Hybrid CNN-LSTM Deep Learning. Mesopotamian Journal of Big Data [Internet]. 2026 Mar. 3 [cited 2026 Mar. 5];2026:11-. Available from: https://journals.mesopotamian.press/index.php/bigdata/article/view/1058