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» Threshold Similarity Queries in Large Time Series Databases
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ICDE
2002
IEEE
162views Database» more  ICDE 2002»
15 years 2 months ago
Similarity Search Over Time-Series Data Using Wavelets
We consider the use of wavelet transformations as a dimensionality reduction technique to permit efficient similarity search over high-dimensional time-series data. While numerou...
Ivan Popivanov, Renée J. Miller
ICIP
2005
IEEE
15 years 11 months ago
Content-based video copy detection in large databases: a local fingerprints statistical similarity search approach
Recent methods based on interest points and local fingerprints have been proposed to perform robust CBCD (content-based copy detection) of images and video. They include two steps...
Alexis Joly, Carl Frélicot, Olivier Buisson
ICDE
2009
IEEE
148views Database» more  ICDE 2009»
15 years 11 months ago
Online Interval Skyline Queries on Time Series
In many applications, we need to analyze a large number of time series. Segments of time series demonstrating dominating advantages over others are often of particular interest. In...
Bin Jiang, Jian Pei
KDD
2001
ACM
203views Data Mining» more  KDD 2001»
15 years 10 months ago
Ensemble-index: a new approach to indexing large databases
The problem of similarity search (query-by-content) has attracted much research interest. It is a difficult problem because of the inherently high dimensionality of the data. The ...
Eamonn J. Keogh, Selina Chu, Michael J. Pazzani
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ICDE
2006
IEEE
188views Database» more  ICDE 2006»
15 years 11 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei