Computing Join Aggregates over Private Tables
Identifieur interne : 000E80 ( Main/Exploration ); précédent : 000E79; suivant : 000E81Computing Join Aggregates over Private Tables
Auteurs : Rong She [Canada] ; Ke Wang [Canada] ; Waichee Fu [Hong Kong] ; Yabo Xu [Canada]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2007.
Abstract
Abstract: We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information over the join of their tables, but want to conceal the details that generate such information. The join operation presents a challenge to privacy preservation because it requires matching individual records from private tables. We solve this problem by a novel sketching protocol that securely computes some randomized summary information over private tables. It ensures that during the query computation process, no party will learn other parties’ private data, including the individual records and data distributions. Previous works have not provided this level of privacy for such queries.
Url:
DOI: 10.1007/978-3-540-74553-2_8
Affiliations:
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In this problem, several parties wish to share aggregated information over the join of their tables, but want to conceal the details that generate such information. The join operation presents a challenge to privacy preservation because it requires matching individual records from private tables. We solve this problem by a novel sketching protocol that securely computes some randomized summary information over private tables. It ensures that during the query computation process, no party will learn other parties’ private data, including the individual records and data distributions. Previous works have not provided this level of privacy for such queries.</div></front></TEI><affiliations><list><country><li>Canada</li><li>Hong Kong</li></country></list><tree><country name="Canada"><noRegion><name sortKey="She, Rong" sort="She, Rong" uniqKey="She R" first="Rong" last="She">Rong She</name></noRegion><name sortKey="She, Rong" sort="She, Rong" uniqKey="She R" first="Rong" last="She">Rong She</name><name sortKey="Wang, Ke" sort="Wang, Ke" uniqKey="Wang K" first="Ke" last="Wang">Ke Wang</name><name sortKey="Wang, Ke" sort="Wang, Ke" uniqKey="Wang K" first="Ke" last="Wang">Ke Wang</name><name sortKey="Xu, Yabo" sort="Xu, Yabo" uniqKey="Xu Y" first="Yabo" last="Xu">Yabo Xu</name><name sortKey="Xu, Yabo" sort="Xu, Yabo" uniqKey="Xu Y" first="Yabo" last="Xu">Yabo Xu</name></country><country name="Hong Kong"><noRegion><name sortKey="Fu, Waichee" sort="Fu, Waichee" uniqKey="Fu W" first="Waichee" last="Fu">Waichee Fu</name></noRegion><name sortKey="Fu, Waichee" sort="Fu, Waichee" uniqKey="Fu W" first="Waichee" last="Fu">Waichee Fu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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