Journal of
Systemics, Cybernetics and Informatics

ISSN: 1690-4524 (Online)

Peer Reviewed Journal via three different mandatory reviewing processes, since 2006, and, from September 2020, a fourth mandatory peer-editing has been added.

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Published by
The International Institute of Informatics and Cybernetics

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(A Community of about 40.000.000 Academics)

Honorary Editorial Advisory Board's Chair
William Lesso (1931-2015)

Nagib C. Callaos

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The International Institute of
Informatics and Systemics

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Does Learning Multidisciplinary Field of Biomedical Engineering Help Pandemic of COVID-19?
Shigehiro Hashimoto
(pages: 1-6)

Interdisciplinarity and Universality of Foreign Languages Education
Rusudan Makhachashvili, Ivan Semenist
(pages: 7-17)

Discovering Patterns across Disciplines: Cybernetics, Existentialism and Contemporary Arts
Steve Dixon
(pages: 18-23)

Improving Life' as a North Star for Research
Teresa H. Langness
(pages: 24-34)

Benefits of Computer Assistive Software and Minimum Requirements
Russell Jay Hendel
(pages: 35-39)

The Role of Human in the Loop in Threat Recognition in Homeland Protection Systems
Mario La Manna
(pages: 40-45)

Issues of Form
Stefano Follesa, Sabrina Cesaretti, Francesco Armato
(pages: 46-50)

Interdisciplinary Background Helps Communication in Pandemic: Learning Multidisciplinary Field of Biomedical Engineering
Shigehiro Hashimoto
(pages: 51-56)

Interdisciplinary Trends of Digital Education in the COVID-19 Paradigm: Global Event Horizon
Rusudan Makhachashvili, Ivan Semenist
(pages: 57-64)





Implementation of Hierarchical Authorization For A Web-Based Digital Library

Andreas Geyer-Schulz, Anke Thede

Access control mechanisms are needed in almost every system nowadays to control what kind of access each user has to which resources and when. On the one hand access control systems need to be flexible to allow the definition of the access rules that are actually needed. But they must also be easy to administrate to prevent rules from being in place without the administrator realizing it. This is particularly difficult for systems such as a digital library that requires fine-grained access rules specifying access control at a document level. We present the implementation and architecture of a system that allows definition of access rights down to the single document and user level. We use hierarchies on users and roles, hierachies on access rights and hierarchies on documents and document groups. These hierarchies allow a maximum of flexibility and still keep the system easy enough to administrate. Our access control system supports positive as well as negative permissions.

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