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Optimal security-aware query processing

Published: 01 August 2014 Publication History

Abstract

Security-Aware Query Processing is the problem of computing answers to queries in the presence of access control policies. We present general impossibility results for the existence of optimal algorithms for Security-Aware Query Processing and classify query languages for which such algorithms exist. In particular, we show that for the relational calculus there are no optimal algorithms, whereas optimal algorithms exist for some of its fragments, such as the existential fragment.
We also establish relationships between two different models of Fine-Grained Access Control, called Truman and Non-Truman models, which have been previously presented in the literature as distinct. For optimal Security-Aware Query Processing, we show that the Non-Truman model is a special case of the Truman model for boolean queries in the relational calculus, moreover the two models coincide for more powerful languages, such as the relational calculus with aggregation operators. In contrast, these two models are distinct for non-boolean queries.

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Cited By

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  • (2021)Inference from Visible Information and Background KnowledgeACM Transactions on Computational Logic10.1145/345291922:2(1-69)Online publication date: 21-Jun-2021
  • (2018)Can One Escape Red Chains?Proceedings of the 33rd Annual ACM/IEEE Symposium on Logic in Computer Science10.1145/3209108.3209120(492-501)Online publication date: 9-Jul-2018
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Published In

cover image Proceedings of the VLDB Endowment
Proceedings of the VLDB Endowment  Volume 7, Issue 12
August 2014
296 pages
ISSN:2150-8097
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VLDB Endowment

Publication History

Published: 01 August 2014
Published in PVLDB Volume 7, Issue 12

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Cited By

View all
  • (2023)Protecting Data and Queries in Cloud-Based ScenariosSN Computer Science10.1007/s42979-023-01862-64:5Online publication date: 10-Jun-2023
  • (2021)Inference from Visible Information and Background KnowledgeACM Transactions on Computational Logic10.1145/345291922:2(1-69)Online publication date: 21-Jun-2021
  • (2018)Can One Escape Red Chains?Proceedings of the 33rd Annual ACM/IEEE Symposium on Logic in Computer Science10.1145/3209108.3209120(492-501)Online publication date: 9-Jul-2018
  • (2017)Source information disclosure in ontology-based data integrationProceedings of the Thirty-First AAAI Conference on Artificial Intelligence10.5555/3298239.3298395(1056-1062)Online publication date: 4-Feb-2017
  • (2017)An authorization model for multi provider queriesProceedings of the VLDB Endowment10.14778/3157794.315779611:3(256-268)Online publication date: 1-Nov-2017
  • (2016)EarpProceedings of the 13th Usenix Conference on Networked Systems Design and Implementation10.5555/2930611.2930652(627-642)Online publication date: 16-Mar-2016

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