Data Sharing and Querying in Peer-to-Peer Data management System
Journal Title: International Journal of Engineering, Science and Mathematics - Year 2012, Vol 2, Issue 1
Abstract
In this work, we investigate mechanisms to support data sharing and querying in a peer-to-peer data management system, that is, a peer-to-peer system where each peer manages its own data. To support data sharing, we propose the use of mapping tables which list pairs of corresponding data values that reside in different peers. My work illustrates how automated tools can help manage the tables between multiple peers by inferring new tables from existing ones and by checking their consistency. In terms of querying, we propose a framework in which users pose queries only with respect to their local peer. Then, we provide a rewriting mechanism that uses mapping tables to translate a locally expressed query to a set of queries over the acquainted peers.
Authors and Affiliations
Jyoti Duhan
Keywords
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