Generation and Optimization of Fuzzy Neural Network Structure. - Zbigniew Swiatnicki; Vladimír Olej (PRICAI, 2002)

Prediction of Gross Domestic Product Development by Takagi-Sugeno Fuzzy Inference Systems. - Vladimír Olej; Jirí Krupka (ISDA, 2005)

Municipal Creditworthiness Modelling by Kohonen's Self-organizing Feature Maps and LVQ Neural Networks. - Petr Hájek 002; Vladimír Olej (ICAISC, 2008)

Municipal Creditworthiness Modelling by Kohonen's Self-Organizing Feature Maps and Fuzzy Logic Neural Networks. - Petr Hájek 002; Vladimír Olej (ICANN (1), 2008)

Municipal Creditworthiness Modelling by Kernel-Based Approaches with Supervised and Semi-supervised Learning. - Petr Hájek 002; Vladimír Olej (EANN, 2009)

Municipal Creditworthiness Modelling by Radial Basis Function Neural Networks and Sensitive Analysis of Their Input Parameters. - Vladimír Olej; Petr Hájek 002 (ICANN (2), 2009)

IF-Inference Systems Design for Prediction of Ozone Time Series: The Case of Pardubice Micro-region. - Vladimír Olej; Petr Hájek 002 (ICANN (1), 2010)

Modelling of Web Domain Visits by Radial Basis Function Neural Networks and Support Vector Machine Regression. - Vladimír Olej; Jana Filipová (AIAI, 2011)

Comparison of Fuzzy Operators for IF-Inference Systems of Takagi-Sugeno Type in Ozone Prediction. - Vladimír Olej; Petr Hájek 002 (AIAI, 2011)

Credit rating modelling by kernel-based approaches with supervised and semi-supervised learning. - Petr Hájek 002; Vladimír Olej (Neural Comput. Appl., 2011)

Short Time Series of Website Visits Prediction by RBF Neural Networks and Support Vector Machine Regression. - Vladimír Olej; Jana Filipová (ICAISC (1), 2012)

Adaptive Intuitionistic Fuzzy Inference Systems of Takagi-Sugeno Type for Regression Problems. - Petr Hájek 002; Vladimír Olej (AIAI (1), 2012)

Ozone prediction on the basis of neural networks, support vector regression and methods with uncertainty. - Petr Hájek 002; Vladimír Olej (Ecol. Informatics, 2012)

Prediction of Air Quality Indices by Neural Networks and Fuzzy Inference Systems - The Case of Pardubice Microregion. - Petr Hájek 002; Vladimír Olej (EANN (1), 2013)

Evaluating Sentiment in Annual Reports for Financial Distress Prediction Using Neural Networks and Support Vector Machines. - Petr Hájek 002; Vladimír Olej (EANN (2), 2013)

Defuzzification methods in intuitionistic fuzzy inference systems of Takagi-Sugeno type: The case of corporate bankruptcy prediction. - Petr Hájek 002; Vladimír Olej (FSKD, 2014)

Comparing corporate financial performance and qualitative information from annual reports using self-organizing maps. - Petr Hájek 002; Vladimír Olej (ICNC, 2014)

Predicting Firms' Credit Ratings Using Ensembles of Artificial Immune Systems and Machine Learning - An Over-Sampling Approach. - Petr Hájek 002; Vladimír Olej (AIAI, 2014)

Predicting Financial Distress of Banks Using Random Subspace Ensembles of Support Vector Machines. - Petr Hájek 002; Vladimír Olej; Renáta Mysková (CSOC (1), 2015)

Intuitionistic Fuzzy Neural Network: The Case of Credit Scoring Using Text Information. - Petr Hájek 002; Vladimír Olej (EANN, 2015)

Word Categorization of Corporate Annual Reports for Bankruptcy Prediction by Machine Learning Methods. - Petr Hájek 002; Vladimír Olej (TSD, 2015)

Predicting Corporate Credit Ratings Using Content Analysis of Annual Reports - A Naïve Bayesian Network Approach. - Petr Hájek 002; Vladimír Olej; Ondrej Prochazka (FinanceCom, 2016)

Intuitionistic neuro-fuzzy network with evolutionary adaptation. - Petr Hájek 002; Vladimír Olej (Evol. Syst., 2017)

Interval-Valued Intuitionistic Fuzzy Inference System for Supporting Corporate Financial Decisions. - Petr Hájek 002; Vladimír Olej (FUZZ-IEEE, 2018)

Intuitionistic Fuzzy Neural Network for Time Series Forecasting - The Case of Metal Prices. - Petr Hájek 002; Vladimír Olej; Wojciech Froelich; Josef Novotny (AIAI, 2021)

Neural intuitionistic fuzzy system with justified granularity. - Petr Hájek 002; Wojciech Froelich; Vladimír Olej; Josef Novotny (Neural Comput. Appl., 2022)

Hierarchical Intuitionistic TSK Fuzzy System for Bitcoin Price Forecasting. - Petr Hájek 002; Vladimír Olej (FUZZ, 2023)

The role of news-based sentiment in forecasting crude oil price during the Covid-19 pandemic. - Jean-Michel Sahut; Petr Hájek 002; Vladimír Olej; Lubica Hikkerova (Ann. Oper. Res., 2025)