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SIGMOD
2010
ACM
208views Database» more  SIGMOD 2010»
15 years 7 months ago
Hierarchically organized skew-tolerant histograms for geographic data objects
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
Yohan J. Roh, Jae Ho Kim, Yon Dohn Chung, Jin Hyun...
KDD
2003
ACM
152views Data Mining» more  KDD 2003»
16 years 7 months ago
Interactive exploration of coherent patterns in time-series gene expression data
Discovering coherent gene expression patterns in time-series gene expression data is an important task in bioinformatics research and biomedical applications. In this paper, we pr...
Daxin Jiang, Jian Pei, Aidong Zhang
DOLAP
2000
ACM
15 years 11 months ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
Miranda Chan, Hong Va Leong, Antonio Si
IAJIT
2008
191views more  IAJIT 2008»
15 years 6 months ago
Novel Image Compression Using Multiwavelets with SPECK Algorithm
: Compression is the process of representing information in a compact form so as to reduce the bit rate for transmission or storage while maintaining acceptable fidelity or data qu...
Sudhakar Radhakrishnan, Jayaraman Subramaniam
205
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TMC
2010
190views more  TMC 2010»
15 years 5 months ago
SAMAC: A Cross-Layer Communication Protocol for Sensor Networks with Sectored Antennas
—Wireless sensor networks have been used to gather data and information in many diverse application settings. The capacity of such networks remains a fundamental obstacle toward ...
Emad Felemban, Serdar Vural, Robert Murawski, Eyle...