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Deep Learning for Time Series Forecasting: A Survey - 2021

Research Area:  Machine Learning

Abstract:

Time series forecasting has become a very intensive field of research, which is even increasing in recent years. Deep neural networks have proved to be powerful and are achieving high accuracy in many application fields. For these reasons, they are one of the most widely used methods of machine learning to solve problems dealing with big data nowadays. In this work, the time series forecasting problem is initially formulated along with its mathematical fundamentals. Then, the most common deep learning architectures that are currently being successfully applied to predict time series are described, highlighting their advantages and limitations. Particular attention is given to feed forward networks, recurrent neural networks (including Elman, long-short term memory, gated recurrent units, and bidirectional networks), and convolutional neural networks. Practical aspects, such as the setting of values for hyper-parameters and the choice of the most suitable frameworks, for the successful application of deep learning to time series are also provided and discussed. Several fruitful research fields in which the architectures analyzed have obtained a good performance are reviewed. As a result, research gaps have been identified in the literature for several domains of application, thus expecting to inspire new and better forms of knowledge.

Author(s) Name:  José F. Torres , Dalil Hadjout , Abderrazak Sebaa , Francisco Martínez-Álvarez , and Alicia Troncoso

Journal name:   Big Data

Conferrence name:  

Publisher name:   Mary Ann Liebert

DOI:  https://doi.org/10.1089/big.2020.0159

Volume Information:  Vol. 9, No. 1