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- Antonio Eleuteri, Roberto Tagliaferri, Leopoldo Milano, Sabino De Placido, Michele De Laurentiis
- Neural Networks
- 2003

A feedforward neural network architecture aimed at survival probability estimation is presented which generalizes the standard, usually linear, models described in literature. The network builds an approximation to the survival probability of a system at a given time, conditional on the system features. The resulting model is described in a hierarchical… (More)

- Daniela di Serafino, Susana Gómez, Leopoldo Milano, Filippo Riccio, Gerardo Toraldo
- J. Global Optimization
- 2010

- J Abadie, B P Abbott, +497 authors L Pinard
- Physical review letters
- 2011

The gravitational-wave (GW) sky may include nearby pointlike sources as well as stochastic backgrounds. We perform two directional searches for persistent GWs using data from the LIGO S5 science run: one optimized for pointlike sources and one for arbitrary extended sources. Finding no evidence to support the detection of GWs, we present 90% confidence… (More)

- L J Milano, W H Matthaeus, B Breech, C W Smith
- Physical review. E, Statistical, nonlinear, and…
- 2002

We study one-point statistical properties of the induced turbulent electric field for a magnetohydrodynamic (MHD) plasma under the quasinormal approximation. Assuming exact Gaussianity for both the velocity field and the magnetic field, and different degrees of correlations between their Cartesian components, we derive the probability distribution function… (More)

- Roberto Tagliaferri, Giuseppe Longo, +10 authors Alfredo Volpicelli
- Neural networks : the official journal of the…
- 2003

In the last decade, the use of neural networks (NN) and of other soft computing methods has begun to spread also in the astronomical community which, due to the required accuracy of the measurements, is usually reluctant to use automatic tools to perform even the most common tasks of data reduction and data mining. The federation of heterogeneous large… (More)

- Margherita Bresco, Giancarlo Raiconi, Fabrizio Barone, Rosario De Rosa, Leopoldo Milano
- Soft Comput.
- 2005

- F. Acernese, A. Eleuteri, L. Milano, R. Tagliaferri
- 2004 IEEE International Joint Conference on…
- 2004

In this paper, a hierarchical Bayesian learning scheme for autoregressive neural network models is shown, which overcomes the problem of identifying the separate linear and nonlinear parts modeled by the network. We show how the identification can be carried out by defining suitable priors on the parameter space, which help the learning algorithms to avoid… (More)

- W H Matthaeus, S Dasso, J M Weygand, L J Milano, C W Smith, M G Kivelson
- Physical review letters
- 2005

Interplanetary turbulence, the best studied case of low frequency plasma turbulence, is the only directly quantified instance of astrophysical turbulence. Here, magnetic field correlation analysis, using for the first time only proper two-point, single time measurements, provides a key step in unraveling the space-time structure of interplanetary… (More)

The heating of the lower solar corona is examined using numerical simulations and theoretical models of magnetohydrodynamic turbulence in open magnetic regions. A turbulent energy cascade to small length scales perpendicular to the mean magnetic field can be sustained by driving with low-frequency Alfvén waves reflected from mean density and magnetic field… (More)

- Antonio Eleuteri, Roberto Tagliaferri, Leopoldo Milano
- Neural Networks
- 2005

In this paper, a novel information geometric-based variable selection criterion for multi-layer perceptron networks is described. It is based on projections of the Riemannian manifold defined by a multi-layer perceptron network on submanifolds defined by multi-layer perceptron networks with reduced input dimension. We show how the divergence between models… (More)