Web Services Enabled E-Market Access Control Model

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Author(s): Harry Wang (University of Delaware, USA), Hsing K. Cheng (University of Florida, USA)and Leon Zhao (University of Arizona, USA)
Copyright: 2008
Pages: 19
Source title: Information Security and Ethics: Concepts, Methodologies, Tools, and Applications
Source Author(s)/Editor(s): Hamid Nemati (The University of North Carolina at Greensboro, USA)
DOI: 10.4018/978-1-59904-937-3.ch057

Keywords: Information Science Reference / Information Security & Privacy / IT Security and Ethics / Security & Forensics

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Abstract

With the dramatic expansion of global e-markets, companies collaborate more and more in order to streamline their supply chains. Small companies often form coalitions to reach the critical mass required to bid on large volume or wide ranges of products. Meanwhile, they also compete with one another for market shares. Because of the complex relationships among companies, controlling the access to shared information found in e-markets is a challenging task. Currently, there is a lack of comprehensive access control approaches that can be used to maintain data security in e-markets. We propose to integrate several known access control mechanisms such as role-based access control, coalition-based access control, and relationship driven access control into an e-market access control model (EMAC). In this chapter, we present a Web services-based architecture for EMAC and the associated concepts and algorithms. We also illustrate, via an automotive e-market example, how the EMAC model can support e-market access control.

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