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SSDBM
2006
IEEE
140views Database» more  SSDBM 2006»
14 years 4 months ago
A Dynamic Mobility Histogram Construction Method Based on Markov Chains
With the recent progress of spatial information technologies and communication technologies, it has become easier to track positions of a large number of moving objects in real-ti...
Yoshiharu Ishikawa, Yoji Machida, Hiroyuki Kitagaw...
ISCI
2007
115views more  ISCI 2007»
13 years 10 months ago
Compressed histograms with arbitrary bucket layouts for selectivity estimation
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
Dennis Fuchs, Zhen He, Byung Suk Lee
ICDE
2006
IEEE
134views Database» more  ICDE 2006»
14 years 11 months ago
ISOMER: Consistent Histogram Construction Using Query Feedback
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
Utkarsh Srivastava, Peter J. Haas, Volker Markl, M...
ADC
2007
Springer
145views Database» more  ADC 2007»
14 years 4 months ago
Selectivity Estimation by Batch-Query based Histogram and Parametric Method
Histograms are used extensively for selectivity estimation and approximate query processing. Workloadaware dynamic histograms can self-tune itself based on query feedback without ...
Jizhou Luo, Xiaofang Zhou, Yu Zhang, Heng Tao Shen...
EDBT
2004
ACM
89views Database» more  EDBT 2004»
14 years 10 months ago
Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations
Vassil Kriakov, Alex Delis, George Kollios