Vladimír Olej

29 papers B 2C 3Misc 6Journal 6Unranked 12
YearRankTypeTitle / Venue / Authors
2025 J jnl
Credit rating prediction using a fuzzy MCDM approach with criteria interactions and TOPSIS sorting.
Ann. Oper. Res.
Petr Hájek, Jean-Michel Sahut, Vladimír Olej
2025 J jnl
The role of news-based sentiment in forecasting crude oil price during the Covid-19 pandemic.
Ann. Oper. Res.
Jean-Michel Sahut, Petr Hájek, Vladimír Olej, Lubica Hikkerova
2023 — conf
Hierarchical Intuitionistic TSK Fuzzy System for Bitcoin Price Forecasting.
FUZZ
Petr Hájek, Vladimír Olej
2022 J jnl
Neural intuitionistic fuzzy system with justified granularity.
Neural Comput. Appl.
Petr Hájek, Wojciech Froelich, Vladimír Olej, Josef Novotny
2021 Misc conf
Intuitionistic Fuzzy Neural Network for Time Series Forecasting - The Case of Metal Prices.
AIAI
Petr Hájek, Vladimír Olej, Wojciech Froelich, Josef Novotny
2018 B conf
Interval-Valued Intuitionistic Fuzzy Inference System for Supporting Corporate Financial Decisions.
FUZZ-IEEE
Petr Hájek, Vladimír Olej
2017 J jnl
Intuitionistic neuro-fuzzy network with evolutionary adaptation.
Evol. Syst.
Petr Hájek, Vladimír Olej
2016 — conf
Predicting Corporate Credit Ratings Using Content Analysis of Annual Reports - A Naïve Bayesian Network Approach.
FinanceCom
Petr Hájek, Vladimír Olej, Ondrej Prochazka
2015 C conf
Intuitionistic Fuzzy Neural Network: The Case of Credit Scoring Using Text Information.
EANN
Petr Hájek, Vladimír Olej
2015 — conf
Predicting Financial Distress of Banks Using Random Subspace Ensembles of Support Vector Machines.
CSOC (1)
Petr Hájek, Vladimír Olej, Renáta Mysková
2015 — conf
Word Categorization of Corporate Annual Reports for Bankruptcy Prediction by Machine Learning Methods.
TSD
Petr Hájek, Vladimír Olej
2014 Misc conf
Comparing corporate financial performance and qualitative information from annual reports using self-organizing maps.
ICNC
Petr Hájek, Vladimír Olej
2014 — conf
Defuzzification methods in intuitionistic fuzzy inference systems of Takagi-Sugeno type: The case of corporate bankruptcy prediction.
FSKD
Petr Hájek, Vladimír Olej
2014 Misc conf
Predicting Firms' Credit Ratings Using Ensembles of Artificial Immune Systems and Machine Learning - An Over-Sampling Approach.
AIAI
Petr Hájek, Vladimír Olej
2013 — conf
Evaluating Sentiment in Annual Reports for Financial Distress Prediction Using Neural Networks and Support Vector Machines.
EANN (2)
Petr Hájek, Vladimír Olej
2013 — conf
Prediction of Air Quality Indices by Neural Networks and Fuzzy Inference Systems - The Case of Pardubice Microregion.
EANN (1)
Petr Hájek, Vladimír Olej
2012 — conf
Adaptive Intuitionistic Fuzzy Inference Systems of Takagi-Sugeno Type for Regression Problems.
AIAI (1)
Petr Hájek, Vladimír Olej
2012 J jnl
Ozone prediction on the basis of neural networks, support vector regression and methods with uncertainty.
Ecol. Informatics
Petr Hájek, Vladimír Olej
2012 — conf
Short Time Series of Website Visits Prediction by RBF Neural Networks and Support Vector Machine Regression.
ICAISC (1)
Vladimír Olej, Jana Filipová
2011 Misc conf
Comparison of Fuzzy Operators for IF-Inference Systems of Takagi-Sugeno Type in Ozone Prediction.
AIAI
Vladimír Olej, Petr Hájek
2011 J jnl
Credit rating modelling by kernel-based approaches with supervised and semi-supervised learning.
Neural Comput. Appl.
Petr Hájek, Vladimír Olej
2011 Misc conf
Modelling of Web Domain Visits by Radial Basis Function Neural Networks and Support Vector Machine Regression.
AIAI
Vladimír Olej, Jana Filipová
2010 — conf
IF-Inference Systems Design for Prediction of Ozone Time Series: The Case of Pardubice Micro-region.
ICANN (1)
Vladimír Olej, Petr Hájek
2009 C conf
Municipal Creditworthiness Modelling by Kernel-Based Approaches with Supervised and Semi-supervised Learning.
EANN
Petr Hájek, Vladimír Olej
2009 — conf
Municipal Creditworthiness Modelling by Radial Basis Function Neural Networks and Sensitive Analysis of Their Input Parameters.
ICANN (2)
Vladimír Olej, Petr Hájek
2008 — conf
Municipal Creditworthiness Modelling by Kohonen's Self-Organizing Feature Maps and Fuzzy Logic Neural Networks.
ICANN (1)
Petr Hájek, Vladimír Olej
2008 Misc conf
Municipal Creditworthiness Modelling by Kohonen's Self-organizing Feature Maps and LVQ Neural Networks.
ICAISC
Petr Hájek, Vladimír Olej
2005 C conf
Prediction of Gross Domestic Product Development by Takagi-Sugeno Fuzzy Inference Systems.
ISDA
Vladimír Olej, Jirí Krupka
2002 B conf
Generation and Optimization of Fuzzy Neural Network Structure.
PRICAI
Zbigniew Swiatnicki, Vladimír Olej