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ICDE
2002
IEEE
146views Database» more  ICDE 2002»
14 years 8 months ago
Query Estimation by Adaptive Sampling
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
Yi-Leh Wu, Divyakant Agrawal, Amr El Abbadi
ICPR
2006
IEEE
14 years 8 months ago
Adaptive variational sinogram interpolation of sparsely sampled CT data
We present various kinds of variational PDE based methods to interpolate missing sinogram data for tomographic image reconstruction. Using the observed sinogram data we inpaint th...
Harald Köstler, Marcus Prümmer, Ulrich R...
INFOCOM
2008
IEEE
14 years 1 months ago
Accurate and Efficient Traffic Monitoring Using Adaptive Non-Linear Sampling Method
Chengchen Hu, Sheng Wang, Jia Tian, Bin Liu, Yu Ch...