Fuzzy Reals with Algebraic Operations: Algorithmic Approach. - Witold Kosinski; Piotr Prokopowicz; Dominik Slezak (Intelligent Information Systems, 2002)

Algebraic Operations on Fuzzy Numbers. - Witold Kosinski; Piotr Prokopowicz; Dominik Slezak (IIS, 2003)

Fuzzy Calculator - Useful Tool for Programming with Fuzzy Algebra. - Roman Kolesnik; Piotr Prokopowicz; Witold Kosinski (ICAISC, 2004)

Calculus with Fuzzy Numbers. - Witold Kosinski; Piotr Prokopowicz; Dominik Slezak (IMTCI, 2004)

Methods based on ordered fuzzy numbers used in fuzzy control. - Piotr Prokopowicz (RoMoCo, 2005)

Fuzziness - Representation of Dynamic Changes?. - Witold Kosinski; Piotr Prokopowicz (EUSFLAT Conf. (1), 2007)

Adaptation of Rules in the Fuzzy Control System Using the Arithmetic of Ordered Fuzzy Numbers. - Piotr Prokopowicz (ICAISC, 2008)

Fuzzy numbers calculations as help in fatigue reliability estimation. - Piotr Prokopowicz; Tomasz Bednarek; Wlodzimierz Sosnowski (IMCSIT, 2009)

Implications on Ordered Fuzzy Numbers and Fuzzy Sets of Type Two. - Magdalena Kacprzak; Witold Kosinski; Piotr Prokopowicz (ICAISC (1), 2012)

Flexible and Simple Methods of Calculations on Fuzzy Numbers with the Ordered Fuzzy Numbers Model. - Piotr Prokopowicz (ICAISC (1), 2013)

Performance Evaluation of Multicast Routing Algorithms with Fuzzy Sets. - Maciej Piechowiak; Piotr Prokopowicz (IP&C, 2013)

Defuzzification Functionals of Ordered Fuzzy Numbers. - Witold Kosinski; Piotr Prokopowicz; Agnieszka Rosa (IEEE Trans. Fuzzy Syst., 2013)

Aggregation Operator for Ordered Fuzzy Numbers Concerning the Direction. - Piotr Prokopowicz; Samira Malek Mohamadi Golsefid (ICAISC (1), 2014)

The Linguistic Modeling of Fuzzy System as Multicriteria Evaluator for the Multicast Routing Algorithms. - Piotr Prokopowicz; Maciej Piechowiak; Piotr Kotlarz (ICAISC (2), 2014)

Fuzzy System for the Classification of Sounds of Birds Based on the Audio Descriptors. - Krzysztof Tyburek; Piotr Prokopowicz; Piotr Kotlarz (ICAISC (2), 2014)

Computational Intelligence in a Classification of Audio Recordings of Nature. - Krzysztof Tyburek; Piotr Prokopowicz; Piotr Kotlarz (IJCCI (FCTA), 2014)

The Directed Inference for the Kosinski's Fuzzy Number Model. - Piotr Prokopowicz (AECIA, 2015)

The Directed Compatibility Between Ordered Fuzzy Numbers - A Base Tool for a Direction Sensitive Fuzzy Information Processing. - Piotr Prokopowicz; Witold Pedrycz (ICAISC (1), 2015)

Comparison of the Efficiency of Time and Frequency Descriptors Based on Different Classification Conceptions. - Krzysztof Tyburek; Piotr Prokopowicz; Piotr Kotlarz; Michal Repka (ICAISC (1), 2015)

Analysis of the Changes in Processes Using the Kosinski's Fuzzy Numbers. - Piotr Prokopowicz (FedCSIS, 2016)

Fuzzy-based computational simulations of brain functions - preliminary concept. - Piotr Prokopowicz; Dariusz Mikolajewski (Bio Algorithms Med Syst., 2016)

Processing Direction with Ordered Fuzzy Numbers. - Piotr Prokopowicz (Theory and Applications of Ordered Fuzzy Numbers, 2017)

OFN-Based Brain Function Modeling. - Piotr Prokopowicz; Dariusz Mikolajewski (Theory and Applications of Ordered Fuzzy Numbers, 2017)

Analysis of Temporospatial Gait Parameters. - Piotr Prokopowicz; Emilia Mikolajewska; Dariusz Mikolajewski; Piotr Kotlarz (Theory and Applications of Ordered Fuzzy Numbers, 2017)

Ordered Fuzzy Numbers: Sources and Intuitions. - Piotr Prokopowicz; Dominik Slezak (Theory and Applications of Ordered Fuzzy Numbers, 2017)

Ordered Fuzzy Numbers: Definitions and Operations. - Piotr Prokopowicz; Dominik Slezak (Theory and Applications of Ordered Fuzzy Numbers, 2017)

Modeling Trends in the Hierarchical Fuzzy System for Multi-criteria Evaluation of Medical Data. - Piotr Prokopowicz; Dariusz Mikolajewski; Emilia Mikolajewska; Krzysztof Tyburek (EUSFLAT/IWIFSGN (3), 2017)

Fuzzy System as an Assessment Tool for Analysis of the Health-Related Quality of Life for the People After Stroke. - Piotr Prokopowicz; Dariusz Mikolajewski; Emilia Mikolajewska; Piotr Kotlarz (ICAISC (1), 2017)

Computational gait analysis using fuzzy logic for everyday clinical purposes - preliminary findings. - Emilia Mikolajewska; Piotr Prokopowicz; Dariusz Mikolajewski (Bio Algorithms Med Syst., 2017)

Hybrid Connection Between Fuzzy Rough Sets and Ordered Fuzzy Numbers. - Piotr Prokopowicz; Marcin S. Szczuka (IFSA/NAFIPS, 2019)

AI-Based Analysis of Selected Gait Parameters in Post-stroke Patients. - Piotr Prokopowicz; Dariusz Mikolajewski; Krzysztof Tyburek; Emilia Mikolajewska; Piotr Kotlarz (IP&C, 2019)

The use of Ordered Fuzzy Numbers for modelling changes in dynamic processes. - Piotr Prokopowicz (Inf. Sci., 2019)

Survey on AI-Based Multimodal Methods for Emotion Detection. - Catherine Maréchal; Dariusz Mikolajewski; Krzysztof Tyburek; Piotr Prokopowicz; Lamine Bougueroua; Corinne Ancourt; Katarzyna Wegrzyn-Wolska (High-Performance Modelling and Simulation for Big Data Applications, 2019)

Intelligent System for Detecting Deterioration of Life Satisfaction as Tool for Remote Mental-Health Monitoring. - Piotr Prokopowicz; Dariusz Mikolajewski; Emilia Mikolajewska (Sensors, 2022)

Model of the Performance Based on Artificial Intelligence-Fuzzy Logic Description of Physical Activity. - Adam Szulc; Piotr Prokopowicz; Krzysztof Busko; Dariusz Mikolajewski (Sensors, 2023)