Multi-Source Data Fusion using Graph Attention Residual GCN for Urban Air Quality PredictionSubhra Chakraborty, Mahadev Kalyanrao Patil, S.G. Shivaprasad Yadav, Girija Vani G and Talari AshokITM Web Conf., 79 (2025) 01048DOI: https://doi.org/10.1051/itmconf/20257901048