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Hyperparameter Tuning in Echo State Networks

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F22%3A10455492" target="_blank" >RIV/00216208:11320/22:10455492 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1145/3512290.3528721" target="_blank" >https://doi.org/10.1145/3512290.3528721</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1145/3512290.3528721" target="_blank" >10.1145/3512290.3528721</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Hyperparameter Tuning in Echo State Networks

  • Original language description

    Echo State Networks represent a type of recurrent neural network with a large randomly generated reservoir and a small number of readout connections trained via linear regression. The most common topology of the reservoir is a fully connected network of up to thousands of neurons. Over the years, researchers have introduced a variety of alternative reservoir topologies, such as a circular network or a linear path of connections. When comparing the performance of different topologies or other architectural changes, it is necessary to tune the hyperparameters for each of the topologies separately since their properties may significantly differ. The hyperparameter tuning is usually carried out manually by selecting the best performing set of parameters from a sparse grid of predefined combinations. Unfortunately, this approach may lead to underperforming configurations, especially for sensitive topologies. We propose an alternative approach of hyperparameter tuning based on the Covariance Matrix Adaptation Evolution Strategy (CMA-ES). Using this approach, we have improved multiple topology comparison results by orders of magnitude suggesting that topology alone does not play as important role as properly tuned hyperparameters.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    GECCO &apos;22: Proceedings of the Genetic and Evolutionary Computation Conference

  • ISBN

    978-1-4503-9237-2

  • ISSN

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

    404-412

  • Publisher name

    Association for Computing Machinery

  • Place of publication

    New York

  • Event location

    Boston

  • Event date

    Jul 9, 2022

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000847380200048