Feature extraction for time-series data: An artificial neural network evolutionary training model for the management of mountainous watersheds

Authors:
Thomas J. Glezakos;Theodore A. Tsiligiridis;Lazaros S. Iliadis;Constantine P. Yialouris;Fotis P. Maris;Konstantinos P. Ferentinos
Affiliations:
Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece;Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece;Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece;Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece;Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece;Agricultural University of Athens, Department of Science, Laboratory of Informatics, 75 Iera Odos Street, 11855 Athens, Hellas, Greece
Venue:
Neurocomputing
Year:
2009

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Abstract

The present manuscript is the result of research conducted towards a wider use of artificial neural networks in the management of mountainous water supplies. The novelty lies on the evolutionary clustering of time-series data which are then used for the training and testing of a neural object, applying meta-heuristics in the neural training phase, for the management of water resources and for torrential risk estimation and modelling. It is essentially an attempt towards the development of a more credible forecasting system, exploiting an evolutionary approach used to interpret and model the significance which time-series data pose on the behavior of the aforementioned environmental reserves. The proposed model, designed such as to effectively estimate the average annual water supply for the various mountainous watersheds, accepts as inputs a wide range of meta-data produced via an evolutionary genetic process. The data used for the training and testing of the system refer to certain watersheds spread over the island of Cyprus and span a wide temporal period. The method proposed incorporates an evolutionary process to manipulate the time-series data of the average monthly rainfall recorded by the measuring stations, while the algorithm includes special encoding, initialization, performance evaluation, genetic operations and pattern matching tools for the evolution of the time-series into significantly sampled data.