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Search Publications by: Joshua Roberts (Fed)

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Displaying 1 - 4 of 4

An Infrastructure for Secure Data Sharing: A Clinical Data Implementation

May 15, 2024
Author(s)
Joanna DeFranco, Joshua Roberts, David Ferraiolo, Daniel Compton
Objective: To address database interoperability challenges to improve collaboration among disparate organizations. Materials and Methods: We developed a lightweight system to allow broad but well-controlled data sharing while preserving local data

A Trusted Federated System to Share Granular Data Among Disparate Database Resources

March 15, 2021
Author(s)
Joanna DeFranco, David F. Ferraiolo, D. Richard Kuhn, Joshua D. Roberts
Sharing data between different organizations is a challenge primarily due to database management systems (DBMSs) being different types that impose different schemas to represent and retrieve data. In addition, maintaining security and privacy is a concern

Imposing Fine-grain Next Generation Access Control over Database Queries

May 25, 2017
Author(s)
David F. Ferraiolo, Serban I. Gavrila, Gopi Katwala, Joshua D. Roberts
In this paper we describe a system that leverages ANSI/INCITS Next Generation Access Control (NGAC) standard called Next-generation Database Access Control (NDAC) for accessing data in tables, rows, and columns in existing RDBMS products. NDAC imposes