Sciweavers

232 search results - page 9 / 47
» Fast High-Dimensional Data Search in Incomplete Databases
Sort
View
SIGMOD
2001
ACM
184views Database» more  SIGMOD 2001»
16 years 1 months ago
Locally Adaptive Dimensionality Reduction for Indexing Large Time Series Databases
Similarity search in large time series databases has attracted much research interest recently. It is a difficult problem because of the typically high dimensionality of the data....
Eamonn J. Keogh, Kaushik Chakrabarti, Sharad Mehro...
CIKM
2003
Springer
15 years 6 months ago
Dimensionality reduction using magnitude and shape approximations
High dimensional data sets are encountered in many modern database applications. The usual approach is to construct a summary of the data set through a lossy compression technique...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
CSB
2005
IEEE
125views Bioinformatics» more  CSB 2005»
15 years 7 months ago
On Optimizing Distance-Based Similarity Search for Biological Databases
Similarity search leveraging distance-based index structures is increasingly being used for both multimedia and biological database applications. We consider distance-based indexi...
Rui Mao, Weijia Xu, Smriti R. Ramakrishnan, Glen N...
ICIP
2003
IEEE
16 years 3 months ago
Fast similarity search on video signatures
Video signatures are compact representations of video sequences designed for efficient similarity measurement. In this paper, we propose a feature extraction technique to support ...
Sen-Ching S. Cheung, Avideh Zakhor
SIGMOD
2000
ACM
212views Database» more  SIGMOD 2000»
15 years 5 months ago
SQLEM: Fast Clustering in SQL using the EM Algorithm
Clustering is one of the most important tasks performed in Data Mining applications. This paper presents an e cient SQL implementation of the EM algorithm to perform clustering in...
Carlos Ordonez, Paul Cereghini