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ADC
2007
Springer
93views Database» more  ADC 2007»
15 years 8 months ago
A Heuristic Approach to Cost-Efficient Derived Horizontal Fragmentation of Complex Value Databases
Derived horizontal fragmentation is one of the main database distribution design techniques. Unlike primary horizontal fragmentation, the decision of derived horizontal fragmentat...
Hui Ma, Klaus-Dieter Schewe, Qing Wang
EDBT
2009
ACM
117views Database» more  EDBT 2009»
15 years 7 months ago
Parsimonious temporal aggregation
Temporal aggregation is a crucial operator in temporal databases and has been studied in various flavors. In instant temporal aggregation (ITA) the aggregate value at time instan...
Juozas Gordevicius, Johann Gamper, Michael H. B&ou...
CGF
2010
148views more  CGF 2010»
15 years 4 months ago
Hardware-Assisted Projected Tetrahedra
We present a flexible and highly efficient hardware-assisted volume renderer grounded on the original Projected Tetrahedra (PT) algorithm. Unlike recent similar approaches, our me...
André Maximo, Ricardo Marroquim, Ricardo C....
EOR
2007
110views more  EOR 2007»
15 years 4 months ago
A hierarchical ant based clustering algorithm and its use in three real-world applications
In this paper is presented a new model for data clustering, which is inspired from the selfassembly behavior of real ants. Real ants can build complex structures by connecting the...
Hanene Azzag, Gilles Venturini, Antoine Oliver, Ch...
NN
2006
Springer
163views Neural Networks» more  NN 2006»
15 years 4 months ago
Machine learning approaches for estimation of prediction interval for the model output
A novel method for estimating prediction uncertainty using machine learning techniques is presented. Uncertainty is expressed in the form of the two quantiles (constituting the pr...
Durga L. Shrestha, Dimitri P. Solomatine