Query Evaluation in the Presence of Fine-grained Access Control

Access controls are mechanisms to enhance security by protecting data from unauthorized accesses. In contrast to traditional access controls that grant access rights at the granularity of the whole tables or views, fine-grained access controls specify access controls at finer granularity, e.g., indi...

Full description

Bibliographic Details
Main Author: Zhang, Huaxin
Language:en
Published: 2008
Subjects:
Online Access:http://hdl.handle.net/10012/3702