Karol R. Opara

24 papers Journal 12Unranked 11
YearRankTypeTitle / Venue / Authors
2024 J jnl
Data-driven human and bot recognition from web activity logs based on hybrid learning techniques.
Digit. Commun. Networks
Marek Gajewski, Olgierd Hryniewicz, Agnieszka Jastrzebska, Mariusz Kozakiewicz, Karol R. Opara, Jan W. Owsinski, Slawomir Zadrozny, Tomasz Zwierzchowski
2023 J jnl
Semi-supervised vs. supervised learning for mental health monitoring: A case study on bipolar disorder.
Int. J. Appl. Math. Comput. Sci.
Gabriella Casalino, Giovanna Castellano, Olgierd Hryniewicz, Daniel Leite, Karol R. Opara, Weronika Radziszewska, Katarzyna Kaczmarek-Majer
2022 — conf
Recent advances in global optimization of time-delayed systems.
IS
Karol R. Opara
2022 J jnl
Regularization and concave loss functions for estimation of chemical kinetic models.
Appl. Soft Comput.
Karol R. Opara, Pin Pin Oh
2022 J jnl
Road Roughness Estimation Through Smartphone-Measured Acceleration.
IEEE Intell. Transp. Syst. Mag.
Karol R. Opara, Karol Brzezinski, Marek Bukowicki, Katarzyna Kaczmarek-Majer
2021 — book
Reverse Clustering - Formulation, Interpretation and Case Studies
Jan W. Owsinski, Jaroslaw Tomasz Stanczak, Karol R. Opara, Slawomir Zadrozny, Janusz Kacprzyk
2020 — conf
Parametrized Benchmarking: an outline of the idea and a feasibility study.
GECCO Companion
Karol R. Opara, Anas A. Hadi, Ali Wagdy Mohamed
2020 J jnl
Population Diversity of Nonelitist Evolutionary Algorithms in the Exploration Phase.
IEEE Trans. Evol. Comput.
Jaroslaw Arabas, Karol R. Opara
2020 — conf
Radial model of differential evolution dynamics.
GECCO Companion
Karol R. Opara
2020 J jnl
Smartphone as a monitoring tool for bipolar disorder: a systematic review including data analysis, machine learning algorithms and predictive modelling.
Int. J. Medical Informatics
Anna Antosik-Wójcinska, Monika Dominiak, Magdalena Chojnacka, Katarzyna Kaczmarek-Majer, Karol R. Opara, Weronika Radziszewska, Anna Olwert, Lukasz Swiecicki
2019 J jnl
Control charts based on fuzzy costs for monitoring short autocorrelated time series.
Int. J. Approx. Reason.
Olgierd Hryniewicz, Katarzyna Kaczmarek-Majer, Karol R. Opara
2019 J jnl
Differential Evolution: A survey of theoretical analyses.
Swarm Evol. Comput.
Karol R. Opara, Jaroslaw Arabas
2019 — conf
Self-organizing Maps Using Acoustic Features for Prediction of State Change in Bipolar Disorder.
KR4HC/ProHealth/TEAAM@AIME
Olga Kaminska, Katarzyna Kaczmarek-Majer, Karol R. Opara, Wit Jakuczun, Monika Dominiak, Anna Antosik-Wójcinska, Lukasz Swiecicki, Olgierd Hryniewicz
2019 J jnl
The contour fitting property of differential mutation.
Swarm Evol. Comput.
Karol R. Opara, Jaroslaw Arabas
2018 J jnl
Comparison of mutation strategies in Differential Evolution - A probabilistic perspective.
Swarm Evol. Comput.
Karol R. Opara, Jaroslaw Arabas
2018 — conf
Control Charts Designed Using Model Averaging Approach for Phase Change Detection in Bipolar Disorder.
SMPS
Katarzyna Kaczmarek-Majer, Olgierd Hryniewicz, Karol R. Opara, Weronika Radziszewska, Anna Olwert, Jan W. Owsinski, Slawomir Zadrozny
2017 — conf
Using a Reverse Engineering Type Paradigm in Clustering. An Evolutionary Programming Based Approach.
Fuzzy Sets, Rough Sets, Multisets and Clustering
Jan W. Owsinski, Janusz Kacprzyk, Karol R. Opara, Jaroslaw Tomasz Stanczak, Slawomir Zadrozny
2016 J jnl
Computation of general correlation coefficients for interval data.
Int. J. Approx. Reason.
Karol R. Opara, Olgierd Hryniewicz
2015 J jnl
Grammatical rhymes in Polish poetry: A quantitative analysis.
Digit. Scholarsh. Humanit.
Karol R. Opara
2013 — conf
Censoring mutation in differential evolution.
SDE
Karol R. Opara, Jaroslaw Arabas
2012 — conf
Decomposition and Metaoptimization of Mutation Operator in Differential Evolution.
ICAISC (SIDE-EC)
Karol R. Opara, Jaroslaw Arabas
2012 — conf
Efficient Calculation of Kendall's τ for Interval Data.
SMPS
Olgierd Hryniewicz, Karol R. Opara
2011 — conf
DMEA - An algorithm that combines differential mutation with the fitness proportionate selection.
SDE
Jaroslaw Arabas, Lukasz Bartnik, Karol R. Opara
2010 — conf
Differential Mutation Based on Population Covariance Matrix.
PPSN (1)
Karol R. Opara, Jaroslaw Arabas