Cloud-based Encrypted EHR System with Semantically Rich Access Control and Searchable Encryption. - Redwan Walid; Karuna P. Joshi; Seung Geol Choi; Dae-young Kim (IEEE BigData, 2020)

Secure Cloud EHR with Semantic Access Control, Searchable Encryption and Attribute Revocation. - Redwan Walid; Karuna P. Joshi; Seung Geol Choi (ICDH, 2021)

Semantically Rich Differential Access to Secure Cloud EHR. - Redwan Walid; Karuna P. Joshi; Seung Geol Choi (BigDataSecurity/HPSC/IDS, 2023)

Leveraging semantic context to establish access controls for secure cloud-based electronic health records. - Redwan Walid; Karuna Pande Joshi; Seung Geol Choi (Int. J. Inf. Manag. Data Insights, 2024)