DHR-Trees: A Distributed Multidimensional Indexing Structure for P2P Systems

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Xinfa Wei
Kaoru Sezaki

Abstract

Supporting range query over Peer-to-Peer systems has attracted many research
efforts in recent years. In this paper, we propose a new multidimensional
indexing structure for P2P systems called Distributed Hilbert R-trees
(DHR-trees). DHR-trees enables multidimensional range query to be executed
similarly as in overlapping regions tree in P2P systems. Its distributed
structure makes it fault-tolerant and scalable to dynamic network environment
with a large number of peers as well. Our experiments shows that it performs
well on multidimensional range query while the maintenance cost is reasonably
low.

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