Tree Automata for Schema-level Filtering of XML Associations

Vaibhav Gowadia; Csilla Farkas

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Paper

Tree Automata for Schema-level Filtering of XML Associations

In Proceedings of the 3rd International Workshop on Security in Information Systems - Volume 0ICEIS, 136-145, 2005 , Miami, United States

Authors: Vaibhav Gowadia and Csilla Farkas

Affiliation: University of South Carolina, United States

Abstract: In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represent security objects and to express the security policy. Our model allows to express and enforce access control on XML trees and their associations. We propose a query-filtering technique that evaluate XML queries to detect disclosure of association-level security objects. A query Q discloses a security object o iff the (tree) automata corresponding to o accepts Q. We show that our schema-level method detects all possible disclosures, i.e., it is complete.

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Paper citation in several formats:

Gowadia, V. and Farkas, C. (2005). Tree Automata for Schema-level Filtering of XML Associations. In Proceedings of the 3rd International Workshop on Security in Information Systems (ICEIS 2005) - WOSIS; ISBN 972-8865-25-2, SciTePress, pages 136-145. DOI: 10.5220/0002575401360145

@conference{wosis05,
author={Vaibhav Gowadia. and Csilla Farkas.},
title={Tree Automata for Schema-level Filtering of XML Associations},
booktitle={Proceedings of the 3rd International Workshop on Security in Information Systems (ICEIS 2005) - WOSIS},
year={2005},
pages={136-145},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002575401360145},
isbn={972-8865-25-2},
}

TY - CONF

JO - Proceedings of the 3rd International Workshop on Security in Information Systems (ICEIS 2005) - WOSIS
TI - Tree Automata for Schema-level Filtering of XML Associations
SN - 972-8865-25-2
AU - Gowadia, V.
AU - Farkas, C.
PY - 2005
SP - 136
EP - 145
DO - 10.5220/0002575401360145
PB - SciTePress