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Publikation

Preserving Privacy in the Web by Using Information Flow Control

Dieter Hutter
In: Rafael Accorsi; Michael Kreutzer; Andreas Schmidt (Hrsg.). Long-Term and Dynamical Aspects of Information Security. ISBN 978-1600219122, Nova Science Publishers, Inc. 2007.

Zusammenfassung

The vision of a landscape of heterogeneous web services deployed as encapsulated business software assets in the Internet is currently becoming a reality as part of the Semantic Web. When pro-active agents handle the context-aware discovery, acquisition, composition, and management of application services and data, ensuring the security of customers' data becomes a principle task. To dynamically compose its offered service, an agent has to process and spread confidential data to other web services demanding the required degree of security. In this paper we propose a methodology based on type-based information flow to control the privacy of data and their proliferation within a set of communicating web services.