Flexible and Publicly Verifiable Aggregation Query for Outsourced Databases in Cloud

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Provided by: University of Arizona - UofA BookStore
Topic: Cloud
Format: PDF
For securing databases outsourced to the cloud, it is important to allow cloud users to verify that their queries to the cloud-hosted databases are correctly executed by the cloud. Existing solutions on this issue suffer from a high communication cost, a heavy storage overhead or an overwhelming computational cost on clients. Besides, only simple SQL queries (e.g., selection query, projection query, weighted sum query, etc) are supported in existing solutions. For practical considerations, it is desirable to design a client-verifiable (or publicly verifiable) aggregation query scheme that supports more flexible queries with affordable storage overhead, communication and computational cost for users.
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