Privacy in the Semantic Web: What Policy Languages Have to Offer

Bologna, Italy June 13-June 15

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http://doi.ieeecomputersociety.org/10.1109/POLICY.2007.39

Eighth IEEE International Workshop on ...

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	Claudiu Duma, Almut Herzog, Nahid Shahmehri, "Privacy in the Semantic Web: What Policy Languages Have to Offer," Policies for Distributed Systems and Networks, IEEE International Workshop on, pp. 109-118, Eighth IEEE International Workshop on Policies for Distributed Systems and Networks (POLICY'07), 2007.

	BibTex	x
	@article{ 10.1109/POLICY.2007.39, author = {Claudiu Duma and Almut Herzog and Nahid Shahmehri}, title = {Privacy in the Semantic Web: What Policy Languages Have to Offer}, journal ={Policies for Distributed Systems and Networks, IEEE International Workshop on}, volume = {0}, year = {2007}, isbn = {0-7695-2767-1}, pages = {109-118}, doi = {http://doi.ieeecomputersociety.org/10.1109/POLICY.2007.39}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Policies for Distributed Systems and Networks, IEEE International Workshop on TI - Privacy in the Semantic Web: What Policy Languages Have to Offer SN - 0-7695-2767-1 SP109 EP118 A1 - Claudiu Duma, A1 - Almut Herzog, A1 - Nahid Shahmehri, PY - 2007 KW - null VL - 0 JA - Policies for Distributed Systems and Networks, IEEE International Workshop on ER -

Claudiu Duma, Linkopings Universitet, Sweden

Almut Herzog, Linkopings Universitet, Sweden

Nahid Shahmehri, Linkopings Universitet, Sweden

Uncontrolled disclosure of sensitive information during electronic transactions may expose users to threats like loss of privacy and identity theft. The means envisioned for addressing protection of security and privacy in the context of the Semantic Web are policy languages for trust establishment and management. Although a number of policy languages have been proposed, it is unclear how well each language can address users? privacy concerns.

The contribution of this work is an independent, scenario-based comparison of six prominent policy languages, namely Protune, Rei, Ponder, Trust-X, KeyNote and P3P-APPEL, with respect to the needs that users have in protecting their personal, sensitive data. We present how each language addresses access control for objects, such as user credentials and sensitive policies. We evaluate how each language defines or imports hierarchies of resources, whether the language supports protection of user information after it has been released, whether the language supports the principle of least privilege and more. The evaluation is not only an analytical literature study but also rich in actual implementations in all six languages.

Citation:

Claudiu Duma, Almut Herzog, Nahid Shahmehri, "Privacy in the Semantic Web: What Policy Languages Have to Offer," policy, pp.109-118, Eighth IEEE International Workshop on Policies for Distributed Systems and Networks (POLICY'07), 2007

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