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» Similarity Search on Time Series Based on Threshold Queries
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MMDB
2004
ACM
153views Multimedia» more  MMDB 2004»
14 years 2 months ago
A PCA-based similarity measure for multivariate time series
Multivariate time series (MTS) datasets are common in various multimedia, medical and financial applications. We propose a similarity measure for MTS datasets, Eros (Extended Fro...
Kiyoung Yang, Cyrus Shahabi
ICDE
2009
IEEE
118views Database» more  ICDE 2009»
14 years 3 months ago
An Incremental Threshold Method for Continuous Text Search Queries
Abstract—A text filtering system monitors a stream of incoming documents, to identify those that match the interest profiles of its users. The user interests are registered at ...
Kyriakos Mouratidis, HweeHwa Pang
VLDB
2007
ACM
197views Database» more  VLDB 2007»
14 years 9 months ago
Indexable PLA for Efficient Similarity Search
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
Qiuxia Chen, Lei Chen 0002, Xiang Lian, Yunhao Liu...
WWW
2005
ACM
14 years 9 months ago
Semantic similarity between search engine queries using temporal correlation
We investigate the idea of finding semantically related search engine queries based on their temporal correlation; in other words, we infer that two queries are related if their p...
Steve Chien, Nicole Immorlica
SSD
2005
Springer
153views Database» more  SSD 2005»
14 years 2 months ago
Change Detection in Time Series Data Using Wavelet Footprints
In this paper, we propose a novel approach to address the problem of change detection in time series data. Our approach is based on wavelet footprints proposed originally by the si...
Mehdi Sharifzadeh, Farnaz Azmoodeh, Cyrus Shahabi