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Lightweight query authentication on streams
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Papadopoulos, Stavros, Cormode, Graham, Deligiannakis, Antonis and Garofalakis, Minos (2014) Lightweight query authentication on streams. ACM Transactions on Database Systems, Volume 39 (Number 4). Article number 30. doi:10.1145/2656336
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Official URL: http://dx.doi.org/10.1145/2656336
Abstract
We consider a stream outsourcing setting, where a data owner delegates the management of a set of disjoint data streams to an untrusted server. The owner authenticates his streams via signatures. The server processes continuous queries on the union of the streams for clients trusted by the owner. Along with the results, the server sends proofs of result correctness derived from the owner's signatures, which are easily verifiable by the clients. We design novel constructions for a collection of fundamental problems over streams represented as linear algebraic queries. In particular, our basic schemes authenticate dynamic vector sums and dot products, as well as dynamic matrix products. These techniques can be adapted for authenticating a wide range of important operations in streaming environments, including group by queries, joins, in-network aggregation, similarity matching, and event processing. All our schemes are very lightweight, and offer strong cryptographic guarantees derived from formal definitions and proofs. We experimentally confirm the practicality of our schemes in the performance sensitive streaming setting.
| Item Type: | Journal Article | ||||||||||
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| Alternative Title: | Lightweight authentication of linear algebraic queries on data streams | ||||||||||
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||||||||
| Divisions: | Faculty of Science > Computer Science | ||||||||||
| Library of Congress Subject Headings (LCSH): | Data integrity, Streaming technology (Telecommunications), Computers -- Access control, Data encryption (Computer science) | ||||||||||
| Journal or Publication Title: | ACM Transactions on Database Systems | ||||||||||
| Publisher: | ACM | ||||||||||
| ISSN: | 0362-5915 | ||||||||||
| Official Date: | December 2014 | ||||||||||
| Dates: |
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| Volume: | Volume 39 | ||||||||||
| Number: | Number 4 | ||||||||||
| Number of Pages: | 45 | ||||||||||
| Article Number: | Article number 30 | ||||||||||
| DOI: | 10.1145/2656336 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Description: | Accepted version: title differs from published version. |
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| Funder: | European Commission (EC) | ||||||||||
| Grant number: | ICT-FP7-LEADS-318809 (EC) | ||||||||||
| Version or Related Resource: | Also published as: Papadopoulos, S., Cormode, G., Deligiannakis, A. and Garofalakis, M. (2013) "Lightweight authentication of linear algebraic queries on data streams". SIGMOD '13 Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, pp. 881-892. | ||||||||||
| Embodied As: | 1 | ||||||||||
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