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SIGMOD
2006
ACM
125views Database» more  SIGMOD 2006»
14 years 8 months ago
A non-linear dimensionality-reduction technique for fast similarity search in large databases
To enable efficient similarity search in large databases, many indexing techniques use a linear transformation scheme to reduce dimensions and allow fast approximation. In this re...
Khanh Vu, Kien A. Hua, Hao Cheng, Sheau-Dong Lang
BIBE
2003
IEEE
183views Bioinformatics» more  BIBE 2003»
14 years 1 months ago
Effective Indexing and Filtering for Similarity Search in Large Biosequence Databases
We present a multi-dimensional indexing approach for fast sequence similarity search in DNA and protein databases. In particular, we propose effective transformations of subsequen...
Ozgur Ozturk, Hakan Ferhatosmanoglu
NIPS
2008
13 years 9 months ago
Online Metric Learning and Fast Similarity Search
Metric learning algorithms can provide useful distance functions for a variety of domains, and recent work has shown good accuracy for problems where the learner can access all di...
Prateek Jain, Brian Kulis, Inderjit S. Dhillon, Kr...
ICDE
1999
IEEE
134views Database» more  ICDE 1999»
14 years 9 months ago
On Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We hav...
Davood Rafiei
ADBIS
2009
Springer
162views Database» more  ADBIS 2009»
13 years 12 months ago
Efficient Set Similarity Joins Using Min-prefixes
Identification of all objects in a dataset whose similarity is not less than a specified threshold is of major importance for management, search, and analysis of data. Set similari...
Leonardo Ribeiro, Theo Härder