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INFORMATICALT
2002
136views more  INFORMATICALT 2002»
15 years 3 months ago
Comparison of Poisson Mixture Models for Count Data Clusterization
Abstract. Five methods for count data clusterization based on Poisson mixture models are described. Two of them are parametric, the others are semi-parametric. The methods emlploy ...
Jurgis Susinskas, Marijus Radavicius
131
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Publication
156views
14 years 10 months ago
Dynamic Virtual Ground Voltage Estimation for Power Gating
With the technology moving into the deep sub-100nm region, the increase of leakage power consumption necessitates more aggressive power reduction techniques. Power gating is a prom...
Hao Xu, Ranga Vemuri, Wen-Ben Jone
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 4 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
CORR
2007
Springer
75views Education» more  CORR 2007»
15 years 4 months ago
Wavelet Based Semi-blind Channel Estimation For Multiband OFDM
— This paper introduces an expectation-maximization (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband OFDM based UWB commun...
Sajad Sadough, Mahieddine Ichir, Emmanuel Jaffrot,...
CSSC
2008
110views more  CSSC 2008»
15 years 4 months ago
Nonlinear Quantile Regression Estimation of Longitudinal Data
This paper examines a weighted version of the quantile regression estimator defined by Koenker and Bassett (1978), adjusted to the case of nonlinear longitudinal data. Different w...
Andreas Karlsson