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ISM
2006
IEEE
138views Multimedia» more  ISM 2006»
13 years 4 months ago
Similarity Search Using Sparse Pivots for Efficient Multimedia Information Retrieval
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...
Nieves R. Brisaboa, Antonio Fariña, Oscar P...
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
ICDE
2001
IEEE
180views Database» more  ICDE 2001»
14 years 5 months ago
Distinctiveness-Sensitive Nearest Neighbor Search for Efficient Similarity Retrieval of Multimedia Information
Nearest neighbor (NN) search in high dimensional feature space is widely used for similarity retrieval of multimedia information. However, recent research results in the database ...
Norio Katayama, Shin'ichi Satoh
SISAP
2010
IEEE
159views Data Mining» more  SISAP 2010»
13 years 2 months ago
CP-index: using clustering and pivots for indexing non-metric spaces
Most multimedia information retrieval systems use an indexing scheme to speed up similarity search. The index aims to discard large portions of the data collection at query time. ...
Victor Sepulveda, Benjamin Bustos
TKDE
2008
171views more  TKDE 2008»
13 years 4 months ago
Efficient Similarity Search in Nonmetric Spaces with Local Constant Embedding
Similarity-based search has been a key factor for many applications such as multimedia retrieval, data mining, Web search and retrieval, and so on. There are two important issues r...
Lei Chen 0002, Xiang Lian