Activity-oriented access control to ubiquitous hospital information and services
- Authors
- Le, Xuan Hung; Lee, Sungyoung; Lee, Young-Koo; Lee, Heejo; Khalid, Murad; Sankar, Ravi
- Issue Date
- 15-Aug-2010
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Access control; Ubiquitous hospital information system and services; Security; Human activity
- Citation
- INFORMATION SCIENCES, v.180, no.16, pp.2979 - 2990
- Indexed
- SCIE
SCOPUS
- Journal Title
- INFORMATION SCIENCES
- Volume
- 180
- Number
- 16
- Start Page
- 2979
- End Page
- 2990
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/115877
- DOI
- 10.1016/j.ins.2010.04.020
- ISSN
- 0020-0255
- Abstract
- In hospital information systems, protecting the confidentiality of health information, whilst at the same time allowing authorized physicians to access it conveniently, is a crucial requirement. The need to deliver health information at the point-of-care is a primary factor to increase healthcare quality and cost efficiency. However, current systems require considerable coordination effort of hospital professionals to locate relevant documents to support a specific activity. This paper presents a flexible and dynamic access control model, Activity-Oriented Access Control (AOAC), which is based on user activity to authorize access permissions. A user is allowed to perform an activity if he/she holds a number of satisfactory attributes (i.e. roles, assignments, etc.) under a specified condition (e.g. time, location). Results of AOAC implementation in a realistic healthcare scenario have shown to meet two important requirements: protecting confidentiality of health information by denying an unauthorized access, and allowing physicians to conveniently browse medical data at the point-of-care. Furthermore, the average execution time was 0.078 s which allows AOAC to work in real-time. (C) 2010 Published by Elsevier Inc.
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Collections - Graduate School > Department of Computer Science and Engineering > 1. Journal Articles
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