Secure Semantic Retrieval over Encrypted Cloud Data: A Dual-Index System with Lightweight Fuzzy Encryption and BERT-Based Semantic Indexing. Diyala Journal of Engineering Sciences , [S. l.], v. 19, n. 1, p. 160–180, 2026. DOI: 10.24237/djes.2026.19112. Disponível em: https://www.djes.info/index.php/djes/article/view/1980. Acesso em: 17 mar. 2026.