An access control model for protecting provenance graphs

Chen, Liang, Edwards, Peter, Nelson, John D. and Norman, Timothy J. (2015) An access control model for protecting provenance graphs. In: 13th Annual Conference on Privacy, Security and Trust, 21-23 Jul 2015, Izmir, Turkey.

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Securing provenance has recently become an important research topic, resulting in a number of models for protecting access to provenance. Existing work has focused on graph transformation mechanisms that supply a user with a provenance view that satisfies both access control policies and validity constraints of provenance. However, it is not always possible to satisfy both of them simultaneously, because these two conditions are often inconsistent which require sophisticated conflict resolution strategies to be put in place. In this paper we develop a new access control model tailored for provenance. In particular, we explicitly take into account validity constraints of provenance when specifying certain parts of provenance to which access is restricted. Hence, a provenance view that is granted to a user by our authorisation mechanism would automatically satisfy the validity constraints. Moreover, we propose algorithms that allow provenance owners to deploy fine-grained access control for their provenance data.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781467378284
Identifier: 10.1109/PST.2015.7232963
Page Range: pp. 125-132
Identifier: 10.1109/PST.2015.7232963
Subjects: Computing
Depositing User: Liang Chen
Date Deposited: 22 Mar 2016 18:25
Last Modified: 28 Aug 2021 07:19

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