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» Margin-Based Pivot Selection for Similarity Search Indexes
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IEICET
2010
106views more  IEICET 2010»
13 years 3 months ago
Margin-Based Pivot Selection for Similarity Search Indexes
Hisashi Kurasawa, Daiji Fukagawa, Atsuhiro Takasu,...
SISAP
2008
IEEE
115views Data Mining» more  SISAP 2008»
13 years 11 months ago
A Dynamic Pivot Selection Technique for Similarity Search
All pivot-based algorithms for similarity search use a set of reference points called pivots. The pivot-based search algorithm precomputes some distances to these reference points...
Benjamin Bustos, Oscar Pedreira, Nieves R. Brisabo...
DEXA
2010
Springer
187views Database» more  DEXA 2010»
13 years 2 months ago
Pivot Selection Method for Optimizing both Pruning and Balancing in Metric Space Indexes
We researched to try to find a way to reduce the cost of nearest neighbor searches in metric spaces. Many similarity search indexes recursively divide a region into subregions by u...
Hisashi Kurasawa, Daiji Fukagawa, Atsuhiro Takasu,...
SOFSEM
2007
Springer
13 years 10 months ago
Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces
Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, ca...
Oscar Pedreira, Nieves R. Brisaboa
CSB
2005
IEEE
125views Bioinformatics» more  CSB 2005»
13 years 10 months ago
On Optimizing Distance-Based Similarity Search for Biological Databases
Similarity search leveraging distance-based index structures is increasingly being used for both multimedia and biological database applications. We consider distance-based indexi...
Rui Mao, Weijia Xu, Smriti R. Ramakrishnan, Glen N...