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Dimensionality Curse, Concentration Phenomenon and the KDB-tree

Nikolaos Kouiroukidis, Georgios Evangelidis


The problem of indexing large volumes of high dimensional data is an important and popular issue in the area of database management. There are many indexing methods that behave well in low dimensional spaces, but, in high dimensionalities, the phenomenon of the curse of dimensionality renders all indexes useless. For example, when issuing range queries almost all of the index pages have to be retrieved for answering these queries. In this paper we review the state-of-the-art research regarding high dimensional spaces and we demonstrate the dimensionality curse phenomenon using the TPIE KDBtree implementation


Dimensionality curse, KDB tree, Hypercube range queries

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