VFL-HMF: Enhancing IIoT Security with Federated Learning and Homomorphic Matrix Factorization: VFL-HMF: ENHANCING IIoT SECURITY WITH FL AND HOMOMORPHIC MF. (2025). Journal of Scientific & Industrial Research (JSIR), 84(5), 556-566. https://doi.org/10.56042/jsir.v84i5.11836