Abstract
In this paper we give a robust logical and computational characterisation of peer-to-peer (p2p) database systems. We first define a precise model-theoretic semantics of a p2p system, which allows for local inconsistency handling. We then characterise the general computational properties for the problem of answering queries to such a p2p system. Finally, we devise tight complexity bounds and distributed procedures for the problem of answering queries in few relevant special cases.
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Franconi, E., Kuper, G., Lopatenko, A., Serafini, L. (2004). A Robust Logical and Computational Characterisation of Peer-to-Peer Database Systems. In: Aberer, K., Koubarakis, M., Kalogeraki, V. (eds) Databases, Information Systems, and Peer-to-Peer Computing. DBISP2P 2003. Lecture Notes in Computer Science, vol 2944. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24629-9_6
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DOI: https://doi.org/10.1007/978-3-540-24629-9_6
Publisher Name: Springer, Berlin, Heidelberg
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