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» Optimal Distance Bounds on Time-Series Data.
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APVIS
2009
14 years 11 months ago
Visualizing time-varying features with TAC-based distance fields
To analyze time-varying data sets, tracking features over time is often necessary to better understand the dynamic nature of the underlying physical process. Tracking 3D time-vary...
Teng-Yok Lee, Han-Wei Shen
VLDB
2007
ACM
197views Database» more  VLDB 2007»
15 years 10 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...
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
VLDB
2004
ACM
106views Database» more  VLDB 2004»
15 years 3 months ago
On The Marriage of Lp-norms and Edit Distance
Existing studies on time series are based on two categories of distance functions. The first category consists of the Lp-norms. They are metric distance functions but cannot supp...
Lei Chen 0002, Raymond T. Ng
CORR
2010
Springer
117views Education» more  CORR 2010»
14 years 7 months ago
An Optimal Lower Bound on the Communication Complexity of Gap-Hamming-Distance
We prove an optimal (n) lower bound on the randomized communication complexity of the much-studied GAP-HAMMING-DISTANCE problem. As a consequence, we obtain essentially optimal mu...
Amit Chakrabarti, Oded Regev