2020
DOI: 10.3390/s20061741
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An Efficient Attribute-Based Access Control (ABAC) Policy Retrieval Method Based on Attribute and Value Levels in Multimedia Networks

Abstract: Internet of Multimedia Things (IoMT) brings convenient and intelligent services while also bringing huge challenges to multimedia data security and privacy. Access control is used to protect the confidentiality and integrity of restricted resources. Attribute-Based Access Control (ABAC) implements fine-grained control of resources in an open heterogeneous IoMT environment. However, due to numerous users and policies in ABAC, access control policy evaluation is inefficient, which affects the quality of multimed… Show more

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Cited by 19 publications
(9 citation statements)
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“…The concept of fog computing is integrated with ABAC that helps to make authorization decisions examining the user's mobility. In [96], ABAC properties are further enhanced to the internet of multimedia things (IoMT) to provide multimedia data security and privacy.…”
Section: Discussion and Future Research Opportunitiesmentioning
confidence: 99%
“…The concept of fog computing is integrated with ABAC that helps to make authorization decisions examining the user's mobility. In [96], ABAC properties are further enhanced to the internet of multimedia things (IoMT) to provide multimedia data security and privacy.…”
Section: Discussion and Future Research Opportunitiesmentioning
confidence: 99%
“…In response to this problem. Liu et al [14] added binary identification based on the attribute access control policy and then introduced a policy decision tree at the attribute value level to improve retrieval efficiency. is method has good scalability, but it has certain limitations when there are many attributes.…”
Section: Related Workmentioning
confidence: 99%
“…Besides, access control policy evaluation reduces the performance of IoMT applications. Therefore, Meiping Liu et al [24] proposed an Attribute-Based Access Control (ABAC) policy retrieval method to improve the performance of access control policy evaluation in multimedia networks. To rebuild the policy decision tree, an attribute value level, and the depth index is introduced, thus, improve policy retrieval efficiency.…”
Section: A Brief Review Of Articles Of This Special Issuementioning
confidence: 99%