An Approach to Clustering Using the Expectation-Maximization and Selection of Attributes ReliefF Applied to Water Treatment Plants process

  • Fábio Cosme Rodrigues dos Santos
  • André Felipe Henriques Librantz
  • Renato José Sassi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10657)

Abstract

The water treatment process contains several physico-chemical parameters relevant to decision making and the water quality scenarios’ identification. Some scenarios are evident and can be observed without the application of mathematical or statistical techniques, however some of these scenarios are difficult to distinguish, and it is necessary to use computational intelligence techniques for solution. In this context, the paper aims to show the application of the expectation-maximization (EM) algorithm for data clusters of the coagulation process and the ReliefF algorithm to determine the importance of the physico-chemical parameters, using the WEKA tool to analyze historical dataset of a water treatment plant. The results were favorable to the scenarios’ identification and to determine the relevance of the parameters related to the process.

Keywords

Clustering Expectation-maximization ReliefF Water treatment Coagulant dosage 

Notes

Acknowledgments

The authors would like to thank São Paulo Research Foundation (FAPESP, grant#2016/02641-1), Basic Sanitation Company of the State of São Paulo - (SABESP) and Nove de Julho University (UNINOVE) for their supports.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Fábio Cosme Rodrigues dos Santos
    • 1
    • 2
  • André Felipe Henriques Librantz
    • 1
  • Renato José Sassi
    • 1
  1. 1.Nove de Julho University - UNINOVESão PauloBrazil
  2. 2.Basic Sanitation Company of the State of São Paulo - SABESPSão PauloBrazil

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