One diffi culty with exact nearest neighbor searching is that for virtually all methods other than brute-force search, the running time or space grows exponentially as a function of dimension. Consequently these methods are often not signifi cantly better than brute-force search, except in fairly small dimensions.

ann_1.1.2\ann2fig
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.........\.......\Makefile
.........\bin
.........\Copyright.txt
.........\doc
.........\...\ANNmanual.pdf
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.........\.......\ANN
.........\.......\...\ANN.h
.........\.......\...\ANNperf.h
.........\.......\...\ANNx.h
.........\lib
.........\License.txt
.........\Make-config
.........\Makefile
.........\MS_Win32
.........\........\Ann.sln
.........\........\ann2fig
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.........\........\dll
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.........\........\Makefile
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.........\........\test
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.........\ReadMe.txt
.........\sample
.........\......\ann_sample.cpp
.........\......\data.pts
.........\......\Makefile
.........\......\query.pts
.........\......\sample.save
.........\src
.........\...\ANN.cpp
.........\...\bd_fix_rad_search.cpp
.........\...\bd_pr_search.cpp
.........\...\bd_search.cpp
.........\...\bd_tree.cpp
.........\...\bd_tree.h
.........\...\brute.cpp
.........\...\kd_dump.cpp
.........\...\kd_fix_rad_search.cpp
.........\...\kd_fix_rad_search.h
.........\...\kd_pr_search.cpp
.........\...\kd_pr_search.h
.........\...\kd_search.cpp
.........\...\kd_search.h
.........\...\kd_split.cpp
.........\...\kd_split.h
.........\...\kd_tree.cpp
.........\...\kd_tree.h
.........\...\kd_util.cpp
.........\...\kd_util.h
.........\...\Makefile
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.........\...\pr_queue.h
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.........\test
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.........\....\test1-data.pts
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ann_1.1.2
ANNmanual_1.1.1.pdf

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