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WCRE
2009
IEEE
15 years 6 months ago
A Study of the Time Dependence of Code Changes
—Much of modern software development consists of building on older changes. Older periods provide the structure (e.g., functions and data types) on which changes in future period...
Omar Alam, Bram Adams, Ahmed E. Hassan
KDD
2009
ACM
181views Data Mining» more  KDD 2009»
15 years 6 months ago
An exploration of climate data using complex networks
To discover patterns in historical data, climate scientists have applied various clustering methods with the goal of identifying regions that share some common climatological beha...
Karsten Steinhaeuser, Nitesh V. Chawla, Auroop R. ...
SDM
2012
SIAM
355views Data Mining» more  SDM 2012»
13 years 2 months ago
Granger Causality Analysis in Irregular Time Series
Learning temporal causal structures between time series is one of the key tools for analyzing time series data. In many real-world applications, we are confronted with Irregular T...
Mohammad Taha Bahadori, Yan Liu
TNN
2008
112views more  TNN 2008»
14 years 11 months ago
Multilayer Perceptrons: Approximation Order and Necessary Number of Hidden Units
Abstract--This paper considers the approximation of sufficiently smooth multivariable functions with a multilayer perceptron (MLP). For a given approximation order explicit formula...
S. Trenn
CSDA
2007
124views more  CSDA 2007»
14 years 11 months ago
Wavelet based time-varying vector autoregressive modelling
Vector autoregressive (VAR) modelling is one of the most popular approaches in multivariate time series analysis. The parameters interpretation is simple, and provide an intuitive...
João Ricardo Sato, Pedro Alberto Morettin, ...