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

Abstract--The Internet provides a universal platform for largescale 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 mechan...

• Type: Journal
• Year: 2002
• Where: TMM
• Authors: James B. D. Joshi, Zhaohui Kevin Li, Husni Fahmi, Basit Shafiq, Arif Ghafoor
• Keywords: Access Control, Media Objects, Multimedia Documents, TMM 2002