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- Peter Tiño, Ian T. Nabney
- IEEE Trans. Pattern Anal. Mach. Intell.
- 2002

- David J. Evans, Dan Cornford, Ian T. Nabney
- Neurocomputing
- 2000

A conventional neural network approach to regression problems approximates the conditional mean of the output vector. For mappings which are multi-valued this approach breaks down, since the average of two solutions is not necessarily a valid solution. In this article Mixture Density Networks, a principled method for modelling conditional probability… (More)

- Dharmesh M. Maniyar, Ian T. Nabney
- KDD
- 2006

We introduce a flexible visual data mining framework which combines advanced projection algorithms from the machine learning domain and visual techniques developed in the information visualization domain. The advantage of such an interface is that the user is directly involved in the data mining process. We integrate principled projection algorithms, such… (More)

- Ian T. Nabney, Dan Cornford, Christopher K. I. Williams
- Neurocomputing
- 2000

In many problems in spatial statistics it is necessary to infer a global problem solution by combining local models. A principled approach to this problem is to develop a global probabilistic model for the relationships between local variables and to use this as the prior in a Bayesian inference procedure. We use a Gaussian process with hyper-parameters… (More)

- Ian T. Nabney
- Int. J. Neural Syst.
- 2004

Radial Basis Function networks with linear outputs are often used in regression problems because they can be substantially faster to train than Multi-layer Perceptrons. For classification problems, the use of linear outputs is less appropriate as the outputs are not guaranteed to represent probabilities. We show how RBFs with logistic and softmax outputs… (More)

- J V Marcos, R Hornero, D Alvarez, I T Nabney, F Del Campo, C Zamarrón
- Physiological measurement
- 2010

In the present study, multilayer perceptron (MLP) neural networks were applied to help in the diagnosis of obstructive sleep apnoea syndrome (OSAS). Oxygen saturation (SaO(2)) recordings from nocturnal pulse oximetry were used for this purpose. We performed time and spectral analysis of these signals to extract 14 features related to OSAS. The performance… (More)

This ongoing research, funded by the NHS through its New and Emerging Applications of Technology, aims to improve mental-health risk assessments by developing a universally accessible computeris ed decision support system. The system will contain a risk-screening tool that records client data (cues) and provides risk estimates for suicide, self-harm,… (More)

- Peter Tiño, Ian T. Nabney, Bruce S. Williams, Jens Lösel, Yi Sun
- Journal of Chemical Information and Modeling
- 2004

Predicting the log of the partition coefficient P is a long-standing benchmark problem in Quantitative Structure-Activity Relationships (QSAR). In this paper we show that a relatively simple molecular representation (using 14 variables) can be combined with leading edge machine learning algorithms to predict logP on new compounds more accurately than… (More)

- Ian T. Nabney, David C. Cressy
- Neural Computing and Applications
- 1996

- W. A. Wright, Guillaume Ramage, Dan Cornford, Ian T. Nabney
- VLSI Signal Processing
- 2000