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Published in:
2005 | OriginalPaper | Chapter
Query Answering in Peer-to-Peer Data Exchange Systems
Authors : Leopoldo Bertossi, Loreto Bravo
Published in: Current Trends in Database Technology - EDBT 2004 Workshops
Publisher: Springer Berlin Heidelberg
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The problem of answering queries posed to a peer who is a member of a peer-to-peer data exchange system is studied. The answers have to be consistent wrt to both the local semantic constraints and the data exchange constraints with other peers; and must also respect certain trust relationships between peers. A semantics for
peer consistent answers
under exchange constraints and trust relationships is introduced and some techniques for obtaining those answers are presented.