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A model for secure multimedia document database system in a distributed environment

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5 Author(s)
Joshi, J.B.D. ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Zhaohui Kevin Li ; Fahmi, H. ; Shafiq, B.
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The Internet provides a universal platform for large-scale distribution of information and supports inter-organizational services, system integration, and collaboration. Use of multimedia documents for dissemination and sharing of massive amounts of information is becoming a common practice for Internet-based applications and enterprises. With the rapid proliferation of multimedia data management technologies over the Internet, there is growing concern about security and privacy of information. Composing multimedia documents in a distributed heterogeneous environment involves integrating media objects from multiple security domains that may employ different access control policies for media objects. In this paper, we present a security model for distributed document management system that allows creation, storage, indexing, and presentation of secure multimedia documents. The model is based on a time augmented Petri-net and provides a flexible, multilevel access control mechanism that allows clearance-based access to different levels of information in a document. In addition, the model provides detailed multimedia synchronization requirements including deterministic and non-deterministic temporal relations and incomplete timing information among media objects.

Published in:

Multimedia, IEEE Transactions on  (Volume:4 ,  Issue: 2 )

Date of Publication:

Jun 2002

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