Petr Hájek - RankMe

97 papers B 5C 3Misc 8Journal 46Unranked 35

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A multi-objective framework for predicting public opinion trends on infectious diseases using NSGA-II and interval predictions. Expert Syst. Appl. Futian Weng, Meng Su, Petr Hájek, Mohammad Zoynul Abedin
2026	J	`jnl`	Financial statement fraud detection using topic-driven financial sentiment analysis. Decis. Support Syst. Petr Hájek, Josef Novotny, Michal Munk
2026	J	`jnl`	Two-Stage feature selection for early warning of default risk. Knowl. Based Syst. Zhe Li, Lina He, Mohammad Zoynul Abedin, Petr Hájek, Brian Lucey
2025	J	`jnl`	A blending ensemble learning model for crude oil price forecasting. Ann. Oper. Res. Mahmudul Hasan, Mohammad Zoynul Abedin, Petr Hájek, Kristof Coussement, Md. Nahid Sultan, Brian Lucey
2025	J	`jnl`	An interpretable system for predicting the impact of COVID-19 government interventions on stock market sectors. Ann. Oper. Res. Cai Yang, Mohammad Zoynul Abedin, Hongwei Zhang, Futian Weng, Petr Hájek
2025	J	`jnl`	Beyond Trolling: Fine-Grained Detection of Antisocial Behavior in Social Media During the Pandemic. Inf. Andrew Asante, Petr Hájek
2025	J	`jnl`	Blockchain and Machine Learning in the Green Economy: Pioneering Carbon Neutrality Through Innovative Trading Technologies. IEEE Trans. Engineering Management Fan Yang, Mohammad Zoynul Abedin, Petr Hájek, Yanan Qiao
2025	—	`conf`	Combining Large-Scale and Domain-Specific Datasets for Hate Speech Severity Modeling: A Regression-Based Approach. IJCCI (3) Andrew Asante, Petr Hájek
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`	Data-driven decadal climate forecasting using Wasserstein time-series generative adversarial networks. Ann. Oper. Res. Ahmed Bouteska, Marco Lavazza Seranto, Petr Hájek, Mohammad Zoynul Abedin
2025	J	`jnl`	Deep learning-based exchange rate prediction during the COVID-19 pandemic. Ann. Oper. Res. Mohammad Zoynul Abedin, Mahmudul Hasan Moon, Mohammad Kabir Hassan, Petr Hájek
2025	B	`conf`	Enhancing IoT Intrusion Detection Performance Using Autoencoder-Based Feature Optimization and K-Means Clustering. KES Zeru Kifle Kebede, Petr Hájek
2025	B	`conf`	Multimodal Financial Sentiment for Stock Return Prediction. KES Petr Hájek, Josef Novotny, Michal Munk, Dasa Munková
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
2024	J	`jnl`	An explainable federated learning and blockchain-based secure credit modeling method. Eur. J. Oper. Res. Fan Yang, Mohammad Zoynul Abedin, Petr Hájek
2024	—	`conf`	Beyond Sentiment in Stock Price Prediction: Integrating News Sentiment and Investor Attention with Temporal Fusion Transformer. AIAI (3) Petr Hájek, Josef Novotny
2024	J	`jnl`	Corporate financial distress prediction using the risk-related information content of annual reports. Inf. Process. Manag. Petr Hájek, Michal Munk
2024	J	`jnl`	Deep-learning model using hybrid adaptive trend estimated series for modelling and forecasting sales. Ann. Oper. Res. Md. Iftekharul Alam Efat, Petr Hájek, Mohammad Zoynul Abedin, Rahat Uddin Azad, Md. Al Jaber, Shuvra Aditya, Mohammad Kabir Hassan
2024	—	`conf`	Detecting Antisocial Behavior on Social Media During COVID-19 Lockdown. NiDS Andrew Asante, Petr Hájek
2024	—	`conf`	Detection of IoT Cyberattacks in Smart Cities: A Comparative Analysis of Deep Learning and Ensemble Learning Methods. NiDS Zeru Kifle Kebede, Petr Hájek
2024	—	`conf`	Enhancing Financial Predictions with ESG Linguistic Features: A Comparative Study of German Companies. ARTIIS (3) Petr Hájek, Piotr Pachura
2024	J	`jnl`	Enhancing cardiovascular risk assessment with advanced data balancing and domain knowledge-driven explainability. Expert Syst. Appl. Fan Yang, Yanan Qiao, Petr Hájek, Mohammad Zoynul Abedin
2023	J	`jnl`	Combining weighted SMOTE with ensemble learning for the class-imbalanced prediction of small business credit risk. Complex Intell. Syst. Mohammad Zoynul Abedin, Guotai Chi, Petr Hájek, Tong Zhang
2023	J	`jnl`	Fraud Detection in Mobile Payment Systems using an XGBoost-based Framework. Inf. Syst. Frontiers Petr Hájek, Mohammad Zoynul Abedin, Uthayasankar Sivarajah
2023	—	`conf`	Hierarchical Intuitionistic TSK Fuzzy System for Bitcoin Price Forecasting. FUZZ Petr Hájek, Vladimír Olej
2023	J	`jnl`	Product backorder prediction using deep neural network on imbalanced data. Int. J. Prod. Res. Md Shajalal, Petr Hájek, Mohammad Zoynul Abedin
2023	J	`jnl`	Speech emotion recognition and text sentiment analysis for financial distress prediction. Neural Comput. Appl. Petr Hájek, Michal Munk
2022	J	`jnl`	A Systematic Review of Blockchain Applications. IEEE Access Farhana Akter Sunny, Petr Hájek, Michal Munk, Mohammad Zoynul Abedin, Md. Shahriare Satu, Md. Iftekharul Alam Efat, Md. Jahidul Islam
2022	J	`jnl`	Fuzzy Rule-Based Prediction of Gold Prices using News Affect. Expert Syst. Appl. Petr Hájek, Josef Novotny
2022	J	`jnl`	Neural intuitionistic fuzzy system with justified granularity. Neural Comput. Appl. Petr Hájek, Wojciech Froelich, Vladimír Olej, Josef Novotny
2022	—	`conf`	Speech Emotion Recognition from Earnings Conference Calls in Predicting Corporate Financial Distress. AIAI (1) Petr Hájek
2021	J	`jnl`	A novel methodology for surveying children for designing library services: A case study of the Municipal Library of Prague. J. Libr. Inf. Sci. Jan Stejskal, Petr Hájek, Pavel Cerny
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
2021	J	`jnl`	Neural Networks with Emotion Associations, Topic Modeling and Supervised Term Weighting for Sentiment Analysis. Int. J. Neural Syst. Petr Hájek, Aliaksandr Barushka, Michal Munk
2021	J	`jnl`	Tax Default Prediction Using Feature Transformation-Based Machine Learning. IEEE Access Mohammad Zoynul Abedin, Guotai Chi, Mohammed Mohi Uddin, Md. Shahriare Satu, Md. Imran Khan, Petr Hájek
2021	—	`conf`	The Role of Smart Economy in Developing Smart Cities. ISCSIC Abdelrahman Youssef, Petr Hájek
2021	J	`jnl`	The role of automated evaluation techniques in online professional translator training. PeerJ Comput. Sci. Dasa Munková, Michal Munk, Lubomír Benko, Petr Hájek
2021	J	`jnl`	The role of library user preferences in the willingness to read and pay for e-books: case of the Czech Republic. Electron. Libr. Jan Stejskal, Petr Hájek, Viktor Prokop
2020	J	`jnl`	A Profit Function-Maximizing Inventory Backorder Prediction System Using Big Data Analytics. IEEE Access Petr Hájek, Mohammad Zoynul Abedin
2020	B	`conf`	Combining Rough Set-based Relevance and Redundancy for the Ranking and Selection of Nominal Features. KES Wojciech Froelich, Petr Hájek
2020	J	`jnl`	Fake consumer review detection using deep neural networks integrating word embeddings and emotion mining. Neural Comput. Appl. Petr Hájek, Aliaksandr Barushka, Michal Munk
2020	J	`jnl`	Intuitionistic fuzzy grey cognitive maps for forecasting interval-valued time series. Neurocomputing Petr Hájek, Wojciech Froelich, Ondrej Prochazka
2020	—	`conf`	Opinion Mining of Consumer Reviews Using Deep Neural Networks with Word-Sentiment Associations. AIAI (1) Petr Hájek, Aliaksandr Barushka, Michal Munk
2020	J	`jnl`	Spam detection on social networks using cost-sensitive feature selection and ensemble-based regularized deep neural networks. Neural Comput. Appl. Aliaksandr Barushka, Petr Hájek
2019	J	`jnl`	Forecasting performance of regional innovation systems using semantic-based genetic programming with local search optimizer. Comput. Oper. Res. Petr Hájek, Roberto Henriques, Mauro Castelli, Leonardo Vanneschi
2019	—	`conf`	IVIFCM-TOPSIS for Bank Credit Risk Assessment. KES-IDT (1) Wojciech Froelich, Petr Hájek
2019	J	`jnl`	Integrating TOPSIS with interval-valued intuitionistic fuzzy cognitive maps for effective group decision making. Inf. Sci. Petr Hájek, Wojciech Froelich
2019	Misc	`conf`	Interpretable Fuzzy Rule-Based Systems for Detecting Financial Statement Fraud. AIAI Petr Hájek
2019	—	`conf`	Modelling Loss Given Default in Peer-to-Peer Lending Using Random Forests. KES-IDT (1) Monika Papousková, Petr Hájek
2019	—	`conf`	Predicting Regional Credit Ratings Using Ensemble Classification with MetaCost. CSOC (2) Evelyn Toseafa, Petr Hájek
2019	Misc	`conf`	Review Spam Detection Using Word Embeddings and Deep Neural Networks. AIAI Aliaksandr Barushka, Petr Hájek
2019	J	`jnl`	Two-stage consumer credit risk modelling using heterogeneous ensemble learning. Decis. Support Syst. Monika Papousková, Petr Hájek
2018	J	`jnl`	Combining bag-of-words and sentiment features of annual reports to predict abnormal stock returns. Neural Comput. Appl. Petr Hájek
2018	—	`conf`	Integrating Balanced Scorecard and Fuzzy TOPSIS for Innovation Performance Evaluation. PACIS Petr Hájek, Michaela Striteska, Viktor Prokop
2018	B	`conf`	Interval-Valued Intuitionistic Fuzzy Inference System for Supporting Corporate Financial Decisions. FUZZ-IEEE Petr Hájek, Vladimír Olej
2018	—	`conf`	Interval-valued intuitionistic fuzzy cognitive maps for stock index forecasting. EAIS Petr Hájek, Ondrej Prochazka, Wojciech Froelich
2018	—	`conf`	Leverage of Knowledge Sources in Firm Innovation Activities: The Case of European ICT Industries. PACIS Jan Stejskal, Viktor Prokop, Petr Hájek
2018	J	`jnl`	Predicting corporate investment/non-investment grade by using interval-valued fuzzy rule-based systems - A cross-region analysis. Appl. Soft Comput. Petr Hájek
2018	Misc	`conf`	Spam Filtering in Social Networks Using Regularized Deep Neural Networks with Ensemble Learning. AIAI Aliaksandr Barushka, Petr Hájek
2018	J	`jnl`	Spam filtering using integrated distribution-based balancing approach and regularized deep neural networks. Appl. Intell. Aliaksandr Barushka, Petr Hájek
2017	—	`conf`	Impact of GDP, Capital and Employment on Waste Generation-The Case of France, Germany and UK Regions. ICEME Richard Gardiner, Petr Hájek
2017	—	`conf`	Innovation Paths in Knowledge Intensive Industries based on Fuzzy Set Qualitative Comparative Analysis. PACIS Petr Hájek, Jan Stejskal
2017	—	`conf`	Interval-Valued Intuitionistic Fuzzy Cognitive Maps for Supplier Selection. KES-IDT (1) Petr Hájek, Ondrej Prochazka
2017	J	`jnl`	Intuitionistic neuro-fuzzy network with evolutionary adaptation. Evol. Syst. Petr Hájek, Vladimír Olej
2017	—	`conf`	Learning Interval-Valued Fuzzy Cognitive Maps with PSO Algorithm for Abnormal Stock Return Prediction. TPNC Petr Hájek, Ondrej Prochazka
2017	J	`jnl`	Library usage mining in the context of alternative costs: The case of the Municipal Library of Prague. Libr. Hi Tech Petr Hájek, Jan Stejskal
2017	J	`jnl`	Mining corporate annual reports for intelligent detection of financial statement fraud - A comparative study of machine learning methods. Knowl. Based Syst. Petr Hájek, Roberto Henriques
2016	B	`conf`	Interval-valued fuzzy cognitive maps for supporting business decisions. FUZZ-IEEE Petr Hájek, Ondrej Prochazka
2016	C	`conf`	Predicting Abnormal Bank Stock Returns Using Textual Analysis of Annual Reports - a Neural Network Approach. EANN Petr Hájek, Jana Bohácová
2016	—	`conf`	Predicting Corporate Credit Ratings Using Content Analysis of Annual Reports - A Naïve Bayesian Network Approach. FinanceCom Petr Hájek, Vladimír Olej, Ondrej Prochazka
2016	—	`conf`	Spam Filtering Using Regularized Neural Networks with Rectified Linear Units. AI*IA Aliaksandr Barushka, Petr Hájek
2015	—	`conf`	Assessing the Effect of Knowledge Management Initiatives on Stakeholder Objectives Using Fuzzy TOPSIS. KMO Petr Hájek, Lucie Mansfeldova
2015	C	`conf`	Intuitionistic Fuzzy Neural Network: The Case of Credit Scoring Using Text Information. EANN Petr Hájek, Vladimír Olej
2015	—	`conf`	Modelling Knowledge Management Processes Using Fuzzy Cognitive Maps. KMO Ondrej Prochazka, Petr Hájek
2015	—	`conf`	Modelling Knowledge Spillover Effects Using Moderated and Mediation Analysis - The Case of Czech High-Tech Industries. KMO Jan Stejskal, Petr Hájek
2015	J	`jnl`	Modelling public library value using the contingent valuation method: The case of the Municipal Library of Prague. J. Libr. Inf. Sci. Petr Hájek, Jan Stejskal
2015	—	`conf`	Novel Multi-word Lists for Investors' Decision Making. TSD Renáta Mysková, Petr Hájek
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	J	`jnl`	Feature selection in corporate credit rating prediction. Knowl. Based Syst. Petr Hájek, Krzysztof Michalak
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`	Credit rating analysis using adaptive fuzzy rule-based systems: an industry-specific approach. Central Eur. J. Oper. Res. Petr Hájek
2012	J	`jnl`	Ozone prediction on the basis of neural networks, support vector regression and methods with uncertainty. Ecol. Informatics Petr Hájek, Vladimír Olej
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	J	`jnl`	Municipal credit rating modelling by neural networks. Decis. Support Syst. Petr Hájek
2010	—	`conf`	IF-Inference Systems Design for Prediction of Ozone Time Series: The Case of Pardubice Micro-region. ICANN (1) Vladimír Olej, Petr Hájek
2010	—	`conf`	Probabilistic Neural Networks for Credit Rating Modelling. IJCCI (ICFC-ICNC) 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