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Peer-to-Peer Data Integration

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Encyclopedia of Database Systems

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Definition

Peer-to-Peer data integration lies in the intersection of two popular research topics, namely, Peer-to-Peer systems and Data Integration, and is one of the key topics in the area of Peer-to-Peer Data Management. A Peer-to-Peer data integration setting involves a set \({\cal P}\) of autonomous, heterogeneous, independently evolving (peer) sources whose pairwise schema or data-level mappings, collectively denoted by \({\cal M}\), induce a peer-to-peer network. In this setting, each (peer) source in the network can be queried and act as an access pointto the data residing in the other network sources. Research in this area focuses on studying the specification and expressiveness of the peer mappings; the corresponding query languages used; algorithms for rewriting queries between peer source schemas; and, to some extent, topics that concern the propagation of updates between peer sources. Key characteristics of the peer-to-peer data integration setting that differentiate it...

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Authors and Affiliations

  1. IBM T.J. Watson Research Center, Hawthorne, NY, USA

    Anastasios Kementsietsidis

Authors
  1. Anastasios Kementsietsidis
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Editors and Affiliations

  1. College of Computing, Georgia Institute of Technology, 266 Ferst Drive, 30332-0765, Atlanta, GA, USA

    LING LIU (Professor) (Professor)

  2. Database Research Group David R. Cheriton School of Computer Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, ON, Canada

    M. TAMER ÖZSU (Professor and Director, University Research Chair) (Professor and Director, University Research Chair)

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© 2009 Springer Science+Business Media, LLC

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Kementsietsidis, A. (2009). Peer-to-Peer Data Integration. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_1218

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