Analysis of diversity methods for evolutionary multi-objective ensemble classifiers

Stefan Oehmcke*, Justin Heinermann, Oliver Kramer

*Corresponding author for this work
    2 Citations (Scopus)

    Abstract

    Ensemble classifiers are strong and robust methods for classification and regression tasks. Considering the balance between runtime and classifier accuracy the learning problem becomes a multi-objective optimization problem. In this work, we propose an evolutionary multiobjective algorithm based on non-dominated sorting that balances runtime and accuracy properties of nearest neighbor classifier ensembles and decision tree ensembles. We identify relevant ensemble parameters with a significant impact on the accuracy and runtime. In the experimental part of this paper, we analyze the behavior on typical classification benchmark problems.

    Original languageEnglish
    Title of host publicationApplications of Evolutionary Computation - 18th European Conference, EvoApplications 2015, Proceedings
    EditorsGiovanni Squillero, Antonio M. Mora
    Number of pages12
    PublisherSpringer Verlag,
    Publication date1 Jan 2015
    Pages567-578
    ISBN (Electronic)9783319165486
    DOIs
    Publication statusPublished - 1 Jan 2015
    Event18th European Conference on the Applications of Evolutionary Computation, EvoApplications 2015 - Copenhagen, Denmark
    Duration: 8 Apr 201510 Apr 2015

    Conference

    Conference18th European Conference on the Applications of Evolutionary Computation, EvoApplications 2015
    Country/TerritoryDenmark
    CityCopenhagen
    Period08/04/201510/04/2015
    SponsorInstitute for Informatics and Digital Innovation, National Museum of Denmark, The World Federation on Soft Computing
    SeriesLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
    Volume9028
    ISSN0302-9743

    Keywords

    • Ensemble classification
    • Multi-objective optimization

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