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PAMI
2008
152views more  PAMI 2008»
13 years 8 months ago
K-Nearest Neighbor Finding Using MaxNearestDist
Abstract-Similarity searching often reduces to finding the k nearest neighbors to a query object. Finding the k nearest neighbors is achieved by applying either a depth-first or a ...
Hanan Samet
VLDB
2001
ACM
129views Database» more  VLDB 2001»
14 years 1 months ago
Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation
Similarity retrieval mechanisms should utilize generalized quadratic form distance functions as well as the Euclidean distance function since ellipsoid queries parameters may vary...
Yasushi Sakurai, Masatoshi Yoshikawa, Ryoji Kataok...
ESANN
2006
13 years 10 months ago
Data topology visualization for the Self-Organizing Map
The Self-Organizing map (SOM), a powerful method for data mining and cluster extraction, is very useful for processing data of high dimensionality and complexity. Visualization met...
Kadim Tasdemir, Erzsébet Merényi
SDM
2010
SIAM
181views Data Mining» more  SDM 2010»
13 years 10 months ago
Making k-means Even Faster
The k-means algorithm is widely used for clustering, compressing, and summarizing vector data. In this paper, we propose a new acceleration for exact k-means that gives the same a...
Greg Hamerly
SIGMOD
2011
ACM
203views Database» more  SIGMOD 2011»
12 years 11 months ago
Effective data co-reduction for multimedia similarity search
Multimedia similarity search has been playing a critical role in many novel applications. Typically, multimedia objects are described by high-dimensional feature vectors (or point...
Zi Huang, Heng Tao Shen, Jiajun Liu, Xiaofang Zhou