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ICDE
2001
IEEE
111views Database» more  ICDE 2001»
16 years 4 months ago
Overcoming Limitations of Sampling for Aggregation Queries
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
Surajit Chaudhuri, Gautam Das, Mayur Datar, Rajeev...
ICCSA
2005
Springer
15 years 9 months ago
Quasi-interpolants Based Multilevel B-Spline Surface Reconstruction from Scattered Data
Abstract. This paper presents a new fast and local method of 3D surface reconstruction for scattered data. The algorithm makes use of quasiinterpolants to compute the control point...
Byung-Gook Lee, Joon-Jae Lee, Ki-Ryoung Kwon
138
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IWANN
2005
Springer
15 years 8 months ago
Load Forecasting Using Fixed-Size Least Squares Support Vector Machines
Based on the Nystr¨om approximation and the primal-dual formulation of Least Squares Support Vector Machines (LS-SVM), it becomes possible to apply a nonlinear model to a large sc...
Marcelo Espinoza, Johan A. K. Suykens, Bart De Moo...
PPSN
2004
Springer
15 years 8 months ago
LS-CMA-ES: A Second-Order Algorithm for Covariance Matrix Adaptation
Abstract. Evolution Strategies, Evolutionary Algorithms based on Gaussian mutation and deterministic selection, are today considered the best choice as far as parameter optimizatio...
Anne Auger, Marc Schoenauer, Nicolas Vanhaecke
INFOCOM
2000
IEEE
15 years 7 months ago
Optimal Partition of QoS requirements with Discrete Cost Functions
Abstract—The future Internet is expected to support applications with quality of service (QoS) requirements. For this end several mechanisms are suggested in the IETF to support ...
Danny Raz, Yuval Shavitt