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Fast k nearest neighbour search for R-tree family

Kuan, Joseph K. P. and Lewis, Paul H. (1997) Fast k nearest neighbour search for R-tree family At In Proceedings on First International Conf. on Information, Communications, and Signal Processing. Singapore.. , 924--928.

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A simplified k nearest neighbour (knn) search for the R-tree family is proposed in this paper. This method is modified from the technique developed by Roussopoulos et al. The main approach aims to eliminate redundant searches when the data is highly correlated. We also describe how MINMAXDIST calculations can be avoided using MINDIST as the only distance metric which gives a significant speed up. Our method is compared with Roussopoulos et al.'s knn search on Hilbert R-trees in different dimensions, and shows that an improvement can be achieved on clustered image databases which have large numbers of data objects very close to each other. However, our method only achieved a marginally better performance of pages accessed on randomly distributed databases and random queries far from clustered objects, but has less computation intensity.

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Published date: September 1997
Venue - Dates: In Proceedings on First International Conf. on Information, Communications, and Signal Processing. Singapore., 1997-09-01
Organisations: Web & Internet Science


Local EPrints ID: 250841
PURE UUID: 30020e74-9fe4-4233-8a0f-1b4258e6a71e

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Date deposited: 16 Sep 1999
Last modified: 18 Jul 2017 10:26

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Author: Joseph K. P. Kuan
Author: Paul H. Lewis

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