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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bontempi, G. |
| Copyright Year | 2014 |
| Description | Author affiliation: Machine Learning Group, Univ. Libre de Bruxelles, Brussels, Belgium (Bontempi, G.) |
| Abstract | Forecasting a time series multiple-step-ahead is a challenging problem for several reasons: the accumulation of errors, the noise, and the complexity of the dependency between past and far future which has to be inferred on the basis of a limited amount of data. Traditional approaches to multi-step-ahead forecasting reduce the problem to a series of single-output prediction tasks. This is notably the case of the Iterated and the Direct approaches. More recently, multiple-output approaches appeared and stressed the multivariate and structured nature of the output to be predicted. This paper intends to go a step further in this direction by formulating the problem of multi-step-ahed forecasting as a problem of conditional multivariate estimation which can be addressed by a Monte Carlo importance sampling strategy. The interesting aspect of the approach is that this probabilistic formulation allows a natural integration of the traditional Iterated and Direct approaches. The extensive assessment of our algorithm with the NN5, NN3 and a synthetic benchmark shows that this approach is promising and competitive with the state-of-the-art. |
| Starting Page | 853 |
| Ending Page | 858 |
| File Size | 601161 |
| Page Count | 6 |
| File Format | |
| ISSN | 21614407 |
| e-ISBN | 9781479914845 |
| DOI | 10.1109/IJCNN.2014.6889666 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-07-06 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Time series analysis Forecasting Monte Carlo methods Estimation Artificial neural networks Vectors Probabilistic logic |
| Content Type | Text |
| Resource Type | Article |
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