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Related Experiment Video

Updated: Apr 25, 2026

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients
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An action-based fine-grained access control mechanism for structured documents and its application.

Mang Su1, Fenghua Li2, Zhi Tang3

  • 1State Key Laboratory of Integrated Services Network, Xidian University, Xi'an 710071, China.

Thescientificworldjournal
|August 20, 2014
PubMed
Summary

This study introduces a new action-based fine-grained access control system for structured documents. It offers enhanced security and flexibility for managing access to document components in complex networks.

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Area of Science:

  • Computer Science
  • Information Security

Background:

  • Current access control methods for structured documents often lack granularity.
  • Managing permissions for diverse document elements (chapters, words, images) is challenging.

Purpose of the Study:

  • To develop an action-based fine-grained access control mechanism for structured documents.
  • To enhance security and usability in complex network environments.

Main Methods:

  • Defined a describing model for structured documents, enabling permission management at element-level.
  • Proposed a fine-grained control protocol based on the action-based access control (ABAC) model.
  • Incorporated temporal and environmental states into the access control protocol.
  • Utilized Z-notation for formalizing the protocol across document lifecycle stages.

Main Results:

  • The proposed mechanism supports fine-grained permission management for document components like chapters, pages, sections, words, and pictures.
  • The action-based fine-grained access control protocol effectively manages access from creation to usage control.
  • Implementation and comparison demonstrate superior performance over existing methods.

Conclusions:

  • The developed mechanism provides a flexible and practical solution for fine-grained access control in structured documents.
  • It offers improved security and usability, particularly in complex network settings.