Skip to main content

and
  1. No Access

    Chapter and Conference Paper

    Wide Ensembles of Neural Networks in Music Genre Classification

    The classification of music genres is essential due to millions of songs in online databases. It would be nearly impossible or very costly to do this job manually. That is why there is a need to create robust ...

    Daniel Kostrzewa, Wojciech Mazur, Robert Brzeski in Computational Science – ICCS 2022 (2022)

  2. No Access

    Chapter and Conference Paper

    Cloud as a Platform for W-Machine Didactic Computer Simulator

    Effective teaching of how computers work is essential for future computer engineers and requires fairly simple computer simulators used in regular students’ education. This article shows the evaluation of alte...

    Piotr Paczuła, Robert Tutajewicz, Robert Brzeski in Computational Science – ICCS 2022 (2022)

  3. No Access

    Chapter and Conference Paper

    Music Genre Classification: Looking for the Perfect Network

    This paper presents research on music genre recognition. It is a crucial task because there are millions of songs in the online databases. Classifying them by a human being is impossible or extremely expensive...

    Daniel Kostrzewa, Piotr Kaminski, Robert Brzeski in Computational Science – ICCS 2021 (2021)

  4. No Access

    Chapter and Conference Paper

    Optimization of the Values of Classifiers Parameters – Is it Still Worthwhile to Deal with it?

    This paper presents a comparison of the use of several selected optimization algorithms. They were applied to determine the parameters of classifiers. The value of these parameters should have a significant im...

    Daniel Kostrzewa, Konrad Karczewski in Artificial Intelligence and Soft Computing (2020)

  5. No Access

    Chapter

    The Data Dimensionality Reduction and Features Weighting in the Classification Process Using Forest Optimization Algorithm

    The paper the dimensionality reduction in the classification process, with a special presentation of using the ability of features weighting by determining the level of importance of a given attribute in t...

    Daniel Kostrzewa, Robert Brzeski in Intelligent Information and Database Syste… (2020)

  6. No Access

    Chapter and Conference Paper

    Influence of the Applied Outlier Detection Methods on the Quality of Classification

    This paper presents a comparison of a few chosen outlier detection methods and test quality of classification, both before and after the procedure of removing outliers. Using a few selected methods of outlier...

    Błażej Moska, Daniel Kostrzewa, Robert Brzeski in Man-Machine Interactions 6 (2020)

  7. No Access

    Chapter and Conference Paper

    The Classification of Music by the Genre Using the KNN Classifier

    The article presents the possibility of classifying music tracks according to their musical genre. This issue is interesting because it is difficult to find solutions that look for similarity between songs bas...

    Daniel Kostrzewa, Robert Brzeski in Beyond Databases, Architectures and Struct… (2018)

  8. No Access

    Chapter and Conference Paper

    The Data Dimensionality Reduction in the Classification Process Through Greedy Backward Feature Elimination

    The article presents the author’s algorithm of dimensionality reduction of used data set, realized through Greedy Backward Feature Elimination. Results of the dimensionality reduction are verified in the proce...

    Daniel Kostrzewa, Robert Brzeski in Man-Machine Interactions 5 (2018)

  9. No Access

    Chapter

    Parametric Optimization of the Selected Classifiers in Binary Classification

    The conception of classification is one of the major aspects in data processing. Conducted research present comparison of chosen classifiers’ results of classification for a few data sets. All data were chosen...

    Daniel Kostrzewa, Robert Brzeski in Advanced Topics in Intelligent Information… (2017)

  10. No Access

    Chapter and Conference Paper

    Adjusting Parameters of the Classifiers in Multiclass Classification

    The article presents the results of the optimization process of classification for five selected data sets. These data sets contain the data for the realization of the multiclass classification. The article pr...

    Daniel Kostrzewa, Robert Brzeski in Beyond Databases, Architectures and Struct… (2017)

  11. No Access

    Chapter and Conference Paper

    Performance Aspect of the In-Memory Databases Accessed via JDBC

    The conception of storing and managing data directly in RAM appeared some time ago but in spite of very good efficiency, it was impossible to massive implementation because of hardware limitations. Currently, ...

    Daniel Kostrzewa, Małgorzata Bach in Beyond Databases, Architectures and Struct… (2016)

  12. No Access

    Chapter and Conference Paper

    E–LT Concept in a Light of New Features of Oracle Data Integrator 12c Based on Data Migration within a Hospital Information System

    The paper, presents an approach to develo** and running ETL processes implemented in Oracle Data Integrator (ODI), on the example of a hospital information system. Thanks to inversion of the classical order ...

    Lukasz Wycislik, Dariusz Rafał Augustyn in Beyond Databases, Architectures and Struct… (2015)