prof. Ing. Petr Hájek, Ph.D.

Vzdělání a akademická kvalifikace

Přehled zaměstnání

Doplňující informace

My scientific research is focused on economic, financial, and environmental modelling using neural networks, fuzzy systems, and evolutionary algorithms.

Publikace

ABEDIN, M. - GUOTAI, C. - HÁJEK, P. - ZHANG, T. Combining weighted SMOTE with ensemble learning for the class-imbalanced prediction of small business credit risk Complex & Intelligent Systems, 2023, vol. 9, no. 4, s. 3559-3579. ISSN: 2199-4536.

HÁJEK, P. - HIKKEROVA, L. - SAHUT, J. How well do investor sentiment and ensemble learning predict Bitcoin prices? Research in International Business and Finance, 2023, vol. 64, no. January, s. 101836. ISSN: 0275-5319.

HÁJEK, P. - HIKKEROVA, L. - SAHUT, J. Fake review detection in e-Commerce platforms using aspect-based sentiment analysis Journal of Business Research, 2023, vol. 167, no. listopad, s. 114143. ISSN: 0148-2963.

HÁJEK, P. - MUNK, M. Speech emotion recognition and text sentiment analysis for financial distress prediction Neural Computing and Applications, 2023, vol. 35, no. 29, s. 21463-21477. ISSN: 0941-0643.

BOUTESKA, A. - HÁJEK, P. - FISHER, B. - ABEDIN, M. Nonlinearity in forecasting energy commodity prices: Evidence from a focused time-delayed neural network Research in International Business and Finance, 2023, vol. 64, no. January, s. 101863. ISSN: 0275-5319.

CHAI, S. - ZHANG, X. - ABEDIN, M. - CHEN, H. - LUCEY, B. - HÁJEK, P. An optimized GRT model with blockchain digital smart contracts for power generation enterprises Energy Economics, 2023, vol. 128, no. December, s. 107153. ISSN: 0140-9883.

BOUTESKA, A. - HÁJEK, P. - ABEDIN, M. - DONG, Y. Effect of twitter investor engagement on cryptocurrencies during the COVID-19 pandemic Research in International Business and Finance, 2023, vol. 64, no. January, s. 101850. ISSN: 0275-5319.

ABEDIN, M. - HÁJEK, P. - SHARIF, T. - SATU, S. - KHAN, I. Modelling bank customer behaviour using feature engineering and classification techniques Research in International Business and Finance, 2023, vol. 65, no. April, s. 101913. ISSN: 0275-5319.

SHAJALAL, M. - HÁJEK, P. - ABEDIN, M. Product backorder prediction using deep neural network on imbalanced data International journal of production research, 2023, vol. 61, no. 1, s. 302-319. ISSN: 0020-7543.

PROKOP, V. - HÁJEK, P. The role of top management meetings in enhancing product innovation and performance R and D Management, 2023, vol. 53, no. 5, s. 745-763. ISSN: 0033-6807.

YOUSSEF, A. - HÁJEK, P. - LUBICA, H. Research trends in the application of big data in smart cities-A literature review Canadian Journal of Administrative Sciences, 2023, vol. 40, no. 3, s. 254-269. ISSN: 0825-0383.

HÁJEK, P. - ABEDIN, M. - SIVARAJAH, U. Fraud Detection in Mobile Payment Systems using an XGBoost-based Framework Information Systems Frontiers, 2023, vol. 25, no. 5, s. 1985-2003. ISSN: 1387-3326.

MOULA, F. - SHILPA, N. - SHAHA, P. - HÁJEK, P. - ABEDIN, M. Default Risk Prediction Based on Support Vector Machine and Logit Support Vector Machine. In Novel financial applications of machine learning and deep learning : algorithms, product modeling, and applications. 1. vyd. Cham: Springer Nature Switzerland AG, 2023. 14 s. ISBN: 978-3-031-18551-9.

HÁJEK, P. - OLEJ, V. Hierarchical Intuitionistic TSK Fuzzy System for Bitcoin Price Forecasting. In 2023 IEEE International Conference on Fuzzy Systems (FUZZ) Proceedings. New York: IEEE (Institute of Electrical and Electronics Engineers), 2023. s. 194453 s. ISBN 979-8-3503-3228-5.

SUNNY, F. - HÁJEK, P. - MUNK, M. - ABEDIN, M. - SATU, M. - EFAT, M. - ISLAM, M. A Systematic Review of Blockchain Applications IEEE ACCESS, 2022, vol. 10, no. Neuveden, s. 59155-59177. ISSN: 2169-3536.

STEJSKAL, J. - HÁJEK, P. The Impact of COVID-19 on E-book Reading Behavior: The Case of the Municipal Library of Prague Library Quarterly, 2022, vol. 92, no. 4, s. 388-404. ISSN: 0024-2519.

HÁJEK, P. - YOUSSEF, A. - HÁJKOVÁ, V. Recent developments in smart city assessment: A bibliometric and content analysis-based literature review Cities, 2022, vol. 126, no. Neuveden, s. 103709. ISSN: 0264-2751.

HÁJEK, P. - FROELICH, W. - OLEJ, V. - NOVOTNÝ, J. Neural intuitionistic fuzzy system with justified granularity Neural Computing and Applications, 2022, vol. 34, no. Neuveden, s. 19423-19439. ISSN: 0941-0643.

HÁJEK, P. - NOVOTNÝ, J. Fuzzy Rule-Based Prediction of Gold Prices using News Affect Expert Systems with Applications, 2022, vol. 193, no. Neuveden, s. 116487. ISSN: 0957-4174.

HÁJEK, P. - SAHUT, J. Mining behavioural and sentiment-dependent linguistic patterns from restaurant reviews for fake review detection Technological Forecasting and Social Change, 2022, vol. 177, no. Neuveden, s. 121532. ISSN: 0040-1625.

HÁJEK, P. Speech Emotion Recognition from Earnings Conference Calls in Predicting Corporate Financial Distress. In IFIP Advances in Information and Communication Technology. Vol. 646. Cham: Springer Nature Switzerland AG, 2022. s. 216-228 s. ISBN 978-3-031-08332-7.

HÁJEK, P. - BARUSHKA, A. - MUNK, M. Neural networks with emotion associations, topic modeling and supervised term weighting for sentiment analysis International Journal of Neural Systems, 2021, vol. 31, no. 10, s. 2150013. ISSN: 0129-0657.

PROKOP, V. - HÁJEK, P. - STEJSKAL, J. Configuration Paths to Efficient National Innovation Ecosystems Technological Forecasting and Social Change, 2021, vol. 168, no. July 2021, s. 120787. ISSN: 0040-1625.

STEJSKAL, J. - HÁJEK, P. - PROKOP, V. The role of library user preferences in the willingness to read and pay for e-books: case of the Czech Republic Electronic Library, 2021, vol. 39, no. 4, s. 639-660. ISSN: 0264-0473.

ABEDIN, M. - CHI, G. - UDDIN, M. - SATU, M. - KHAN, I. - HÁJEK, P. Tax default prediction using feature transformation-based machine learning IEEE ACCESS, 2021, vol. 9, no. 29.12.2020, s. 19864-19881. ISSN: 2169-3536.

MUNKOVA, D. - MUNK, M. - BENKO, L. - HÁJEK, P. The role of automated evaluation techniques in online professional translator training PeerJ Computer Science, 2021, vol. 7, no. 4.10.2021, s. e706. ISSN: 2376-5992.

STEJSKAL, J. - HÁJEK, P. - CERNY, P. A novel methodology for surveying children for designing library services: A case study of the Municipal Library of Prague Journal of Librarianship and Information Science, 2021, vol. 53, no. 2, s. 307-320. ISSN: 0961-0006.

ABEDIN, M. - HASSAN, M. - HÁJEK, P. - UDDIN, M. Machine learning in finance and accounting. In Essentials of Machine Learning in Finance and Accounting. 1. vyd. Abingdon: Taylor & Francis Ltd., 2021. 5 s. ISBN: 978-0-367-48083-7.

HÁJEK, P. - MYŠKOVÁ, R. - OLEJ, V. Predicting stock return volatility using sentiment analysis of corporate annual reports. In Essentials of Machine Learning in Finance and Accounting. 1. vyd. Abingdon: Taylor & Francis Ltd., 2021. 21 s. ISBN: 978-0-367-48083-7.

YOUSSEF, A. - HÁJEK, P. The Role of Smart Economy in Developing Smart Cities. In 2021 International Symposium on Computer Science and Intelligent Controls ISCSIC 2021 : proceedings. New York: IEEE (Institute of Electrical and Electronics Engineers), 2021. s. 276-279 s. ISBN 978-1-66541-627-6.

REFAELI, D. - HÁJEK, P. Detecting Fake Online Reviews using Fine-tuned BERT. In ICEBI 2021: proceedings of the 2021 5th International Conference on E-Business and Internet. New York: ACM (Association for Computing Machinery), 2021. s. 76-80 s. ISBN 978-1-4503-8565-7.

HÁJEK, P. - OLEJ, V. - FROELICH, W. - NOVOTNÝ, J. Intuitionistic fuzzy neural network for time series forecasting - The case of metal prices. In IFIP Advances in Information and Communication Technology. Vol. 627. Cham: Springer Nature Switzerland AG, 2021. s. 411-422 s. ISBN 978-3-030-79149-0.

YOUSSEF, A. - HÁJEK, P. How smart governance is driving the advancement of smart cities?. In Proceedings of the 22nd European Conference on Knowledge Management. Sonning Common: Academic Conferences and Publishing International Limited, 2021. s. 830-836 s. ISBN 978-1-914587-06-1.

HÁJEK, P. - ABEDIN, M. A Profit Function-Maximizing Inventory Backorder Prediction System Using Big Data Analytics IEEE ACCESS, 2020, vol. 8, no. March, s. 58982-58994. ISSN: 2169-3536.

PAUZI, H. - ABDULLAH, L. - HÁJEK, P. An Optimized Hybrid Forecasting Model and Its Application to Air Pollution Concentration Arabian Journal for Science and Engineering, 2020, vol. 45, no. 12, s. 9953-9975. ISSN: 2193-567X.

GARDINER, R. - HÁJEK, P. Municipal waste generation, R&D intensity, and economic growth nexus - A case of EU regions Waste Management, 2020, vol. 114, no. August, s. 124-135. ISSN: 0956-053X.

MYŠKOVÁ, R. - HÁJEK, P. Mining risk-related sentiment in corporate annual reports and its effect on financial performance Technological and Economic Development of Economy, 2020, vol. 26, no. 6, s. 1422-1443. ISSN: 2029-4913.

HÁJEK, P. - FROELICH, W. - PROCHÁZKA, O. Intuitionistic fuzzy grey cognitive maps for forecasting interval-valued time series Neurocomputing, 2020, vol. 400, no. August, s. 173-185. ISSN: 0925-2312.

BARUSHKA, A. - HÁJEK, P. Spam detection on social networks using cost-sensitive feature selection and ensemble-based regularized deep neural networks Neural Computing and Applications, 2020, vol. 32, no. 9, s. 4239-4257. ISSN: 0941-0643.

GARDINER, R. - HÁJEK, P. Interactions among energy consumption, CO2, and economic development in European Union countries Sustainable Development, 2020, vol. 28, no. 4, s. 723-740. ISSN: 0968-0802.

HÁJEK, P. - BARUSHKA, A. - MUNK, M. Fake consumer review detection using deep neural networks integrating word embeddings and emotion mining Neural Computing and Applications, 2020, vol. 32, no. 23, s. 17259-17274. ISSN: 0941-0643.

IGBINOVIA, F. - KŘUPKA, J. - HÁJEK, P. - MULLER, Z. - TLUSTÝ, J. Bioenergy Electricity on Internet of Renewable Energy (IoRE) Framework for Sustainable Electricity Grid Integration in the European Union (EU). In 21st International Scientific Conference on Electric Power Engineering, EPE 2020 : proceedings. New York: IEEE (Institute of Electrical and Electronics Engineers), 2020. s. 206-211 s. ISBN 978-1-72819-480-6.

HÁJEK, P. - STEJSKAL, J. - KOTKOVÁ STŘÍTESKÁ, M. - PROKOP, V. Modelling Innovation Paths of European Firms using Fuzzy Balanced Scorecard. In Reliability and statistical computing : modeling, methods and applications. Cham: Springer Nature Switzerland AG, 2020. s. 35-46 s. ISBN 978-3-030-43411-3.

HÁJEK, P. - BARUSHKA, A. - MUNK, M. Opinion mining of consumer reviews using deep neural networks with word-sentiment associations. In IFIP Advances in Information and Communication Technology. Vol. 583. Heidelberg: Springer, 2020. s. 419-429 s. ISBN 978-3-030-49160-4.

MUNKOVA, D. - HÁJEK, P. - MUNK, M. - SKALKA, J. Evaluation of Machine Translation Quality through the Metrics of Error Rate and Accuracy. In Procedia Computer Science : Third International Conference on Computing and Network Communications (CoCoNet'19). Amsterdam: Elsevier Science BV, 2020. s. 1327-1336 s.

FROELICH, W. - HÁJEK, P. Combining rough set-based relevance and redundancy for the ranking and selection of nominal features. In Procedia Computer Science : 24th KES International Conference on Knowledge-Based and Intelligent Information & Engineering Systems KES2020. Amsterdam: Elsevier Science BV, 2020. s. 1459-1468 s.

IGBINOVIA, F. - KŘUPKA, J. - HÁJEK, P. - MULLER, Z. - TLUSTÝ, J. Electricity Storage in Internet of Renewable Energy (IoRE) Domain for Sustainable Smart Cities. In 21st International Scientific Conference on Electric Power Engineering, EPE 2020 : proceedings. New York: IEEE (Institute of Electrical and Electronics Engineers), 2020. s. 9269241 s. ISBN 978-1-72819-480-6.

KAPUSTA, J. - HÁJEK, P. - MUNK, M. - BENKO, L. Comparison of fake and real news based on morphological analysis. In Procedia Computer Science : Third International Conference on Computing and Network Communications (CoCoNet'19). Amsterdam: Elsevier Science BV, 2020. s. 2285-2293 s.

PROKOP, V. - STEJSKAL, J. - HÁJEK, P. - KUBA, O. Creating Eco-Innovations for Sustainable Entrepreneurship and Development within European Countries European Journal of Sustainable Development, 2019, vol. 8, no. 3, s. 183-193. ISSN: 2239-5938.

HÁJEK, P. - HENRIQUES, R. - CASTELLI, M. - VANNESCHI, L. Forecasting performance of regional innovation systems using semantic-based genetic programming with local search optimizer Computers and Operations Research, 2019, vol. 106, no. June, s. 179-190. ISSN: 0305-0548.

PAPOUŠKOVÁ, M. - HÁJEK, P. Two-stage consumer credit risk modelling using heterogeneous ensemble learning Decision Support Systems, 2019, vol. 118, no. March, s. 33-45. ISSN: 0167-9236.

MYŠKOVÁ, R. - HÁJEK, P. Relationship between corporate social responsibility in corporate annual reports and financial performance of the US companies Journal of International Studies, 2019, vol. 12, no. 1, s. 269-282. ISSN: 2071-8330.

PROKOP, V. - STEJSKAL, J. - HÁJEK, P. The Role of Information Sources in Firm R&D Activities - The Case of German Knowledge Intensive Industries Inžinerine Ekonomika / Engineering Economics, 2019, vol. 30, no. 3, s. 294-303. ISSN: 1392-2785.

HÁJEK, P. - FROELICH, W. Integrating TOPSIS with interval-valued intuitionistic fuzzy cognitive maps for effective group decision making Information Sciences, 2019, vol. 485, no. June, s. 394-412. ISSN: 0020-0255.

STEJSKAL, J. - HÁJEK, P. Modelling collaboration and innovation in creative industries using fuzzy set qualitative comparative analysis Journal of Technology Transfer, 2019, vol. 44, no. 3, s. 981-1006. ISSN: 0892-9912.

STEJSKAL, J. - HÁJEK, P. - REHAK, T. The economic value of library services for children: The case of the Czech public libraries Library & Information Science Research, 2019, vol. 41, no. 3, s. 100963. ISSN: 0740-8188.

HÁJEK, P. - BARUSHKA, A. A Comparative Study of Machine Learning Methods for Detection of Fake Online Consumer Reviews. In ICEBI 2019 : proceedings of the 2019 3rd International Conference on E-Business and Internet. New York: ACM (Association for Computing Machinery), 2019. s. 18-22 s. ISBN 978-1-4503-7170-4.

BARUSHKA, A. - HÁJEK, P. The Effect of Text Preprocessing Strategies on Detecting Fake Consumer Reviews. In ICEBI 2019 : proceedings of the 2019 3rd International Conference on E-Business and Internet. New York: ACM (Association for Computing Machinery), 2019. s. 13-17 s. ISBN 978-1-4503-7170-4.

PROKOP, V. - STEJSKAL, J. - HÁJEK, P. - KOTKOVÁ STŘÍTESKÁ, M. Importance of Basic Attributes in Innovation Environment - Efficiency Analysis in the EU28. In Proceeding of the ISSAT international conference on data science in business, finance and industry (DSBFI 2019). Edison: International Society of Science and Applied Technologies, 2019. s. neuvedeno s. ISBN 978-0-9910576-6-5.

TOSEAFA, E. - HÁJEK, P. Predicting regional credit ratings using ensemble classification with metacost. In Artificial Intelligence Methods in Intelligent Algorithms : Proceedings of 8th Computer Science On-line Conference 2019, Vol. 2. Heidelberg: Springer Nature, 2019. s. 332-342 s. ISBN 978-3-030-19809-1.

BARUSHKA, A. - HÁJEK, P. Review Spam Detection Using Word Embeddings and Deep Neural Networks. In IFIP Advances in Information and Communication Technology. Vol. 559. Berlin: Springer, 2019. s. 340-350 s. ISBN 978-3-030-19822-0.

PAPOUŠKOVÁ, M. - HÁJEK, P. Modelling loss given default in peer-to-peer lending using random forests. In Intelligent Decision Technologies 2019 : Proceedings of the 11th KES International Conference on Intelligent Decision Technologies (KES-IDT 2019), Vol. 1. Heidelberg: Springer Nature, 2019. s. 133-141 s. ISBN 978-981-13-8310-6.

HÁJEK, P. - STEJSKAL, J. - KOTKOVÁ STŘÍTESKÁ, M. - PROKOP, V. Modelling Innovation Paths of European Firms using Fuzzy Balanced Scorecard. In Proceeding of the ISSAT international conference on data science in business, finance and industry (DSBFI 2019). Edison: International Society of Science and Applied Technologies, 2019. s. 35-46 s. ISBN 978-0-9910576-6-5.

HÁJEK, P. Interpretable Fuzzy Rule-Based Systems for Detecting Financial Statement Fraud. In IFIP Advances in Information and Communication Technology. Vol. 559. Berlin: Springer, 2019. s. 425-436 s. ISBN 978-3-030-19822-0.

FROELICH, W. - HÁJEK, P. IVIFCM-TOPSIS for bank credit risk assessment. In Intelligent Decision Technologies 2019 : Proceedings of the 11th KES International Conference on Intelligent Decision Technologies (KES-IDT 2019), Vol. 1. Heidelberg: Springer Nature, 2019. s. 99-108 s. ISBN 978-981-13-8310-6.

STEJSKAL, J. - HÁJEK, P. - PROKOP, V. Collaboration and innovation models in Collaboration and innovation models in information and communication creative industries – the case of Germany Journal of Information and Communication Technology, 2018, vol. 17, no. 2, s. 191-208. ISSN: 1675-414X.

MYŠKOVÁ, R. - HÁJEK, P. Sustainability and Corporate Social Responsibility in the Text of Annual Reports—The Case of the IT Services Industry Sustainability, 2018, vol. 10, no. 11, s. 1-18. ISSN: 2071-1050.

HÁJEK, P. Combining bag-of-words and sentiment features of annual reports to predict abnormal stock returns Neural Computing and Applications, 2018, vol. 29, no. 7, s. 343-358. ISSN: 0941-0643.

BARUSHKA, A. - HÁJEK, P. Spam filtering using integrated distribution-based balancing approach and regularized deep neural networks Applied Intelligence, 2018, vol. 48, no. 10, s. 3538-3556. ISSN: 0924-669X.

HÁJEK, P. - PROCHÁZKA, O. Interval-Valued Fuzzy Cognitive Maps with Genetic Learning for Predicting Corporate Financial Distress Filomat, 2018, vol. 32, no. 5, s. 1657-1662. ISSN: 0354-5180.

HÁJEK, P. - STEJSKAL, J. R&D Cooperation and Knowledge Spillover Effects for Sustainable Business Innovation in the Chemical Industry Sustainability, 2018, vol. 10, no. 4, s. 1-20. ISSN: 2071-1050.

HÁJEK, P. Predicting corporate investment/non-investment grade by using interval-valued fuzzy rule-based systems-A cross-region analysis Applied Soft Computing, 2018, vol. 62, no. January, s. 73-85. ISSN: 1568-4946.

MYŠKOVÁ, R. - HÁJEK, P. - OLEJ, V. PREDICTING ABNORMAL STOCK RETURN VOLATILITY USING TEXTUAL ANALYSIS OF NEWS - A META-LEARNING APPROACH Amfiteatru Economic, 2018, vol. 20, no. 47, s. 185-201. ISSN: 1582-9146.

STEJSKAL, J. - HÁJEK, P. - HUDEC, O. - PROKOP, V. Knowledge Spillovers in Regional Innovation Systems. A Case Study of CEE Regions. 1. vyd. Cham: Springer International Publishing AG, 2018. 286 s. ISBN: 978-3-319-67028-7.

HÁJEK, P. - STEJSKAL, J. - PROKOP, V. Determinants of Firms’ Innovation Activities: A Case Study of German Knowledge-Intensive Industries. In Finance & Economics Readings: Selected Papers from Asia-Pacific Conference on Economics & Finance, 2017. Singapur: Springer, 2018. s. 85-98 s. ISBN 978-981-10-8146-0.

PROKOP, V. - STEJSKAL, J. - HÁJEK, P. Effectiveness of Selected Knowledge-Based Determinants in Macroeconomics Development of EU 28 Economies. In Finance & Economics Readings: Selected Papers from Asia-Pacific Conference on Economics & Finance, 2017. Singapur: Springer, 2018. s. 69-83 s. ISBN 978-981-10-8146-0.

HÁJEK, P. - PROCHÁZKA, O. Interval-valued intuitionistic fuzzy cognitive maps for supplier selection. In Intelligent Decision Technologies 2017. KES-IDT 2017. Part I. Berlin: Springer, 2018. s. 207-217 s. ISBN 978-3-319-59420-0.

HÁJEK, P. - OLEJ, V. Interval-Valued Intuitionistic Fuzzy Inference System for Supporting Corporate Financial Decisions. In 2018 IEEE International Conference on Fuzzy Systems. New York: IEEE (Institute of Electrical and Electronics Engineers), 2018. s. nestránkováno s. ISBN 978-1-5090-6020-7.

HÁJEK, P. - BARUSHKA, A. Integrating sentiment analysis and topic detection in financial news for stock movement prediction. In ICBIM 18 : Proceedings of the 2nd International Conference on Business and Information Management. New York: ACM (Association for Computing Machinery), 2018. s. 158-162 s. ISBN 978-1-4503-6545-1.

HÁJEK, P. - OLEJ, V. Intuitionistic Fuzzy Inference System with Genetic Tuning for Predicting Financial Performance. In 3rd International Conference on Computational Intelligence and Applications (ICCIA). New York: IEEE (Institute of Electrical and Electronics Engineers), 2018. s. 81-86 s. ISBN 978-1-5386-9572-2.

HÁJEK, P. - PROCHÁZKA, O. - FROELICH, W. Interval-valued intuitionistic fuzzy cognitive maps for stock index forecasting. In 2018 IEEE International Conference on Evolving and Adaptive Intelligent Systems, EAIS 2018. New York: IEEE (Institute of Electrical and Electronics Engineers), 2018. s. 1-7 s. ISBN 978-1-5386-1376-4.

STEJSKAL, J. - PROKOP, V. - HÁJEK, P. Leverage of Knowledge Sources in Firm Innovation Activities: The Case of European ICT Industries. In PACIS 2018 Proceedings. Atlanta: Association for Information Systems, 2018. s. nestrankovano s. ISBN 978-4-902590-83-8.

BARUSHKA, A. - HÁJEK, P. Spam filtering in social networks using regularized deep neural networks with ensemble learning. In IFIP Advances in Information and Communication Technology. Vol. 519. Heidelberg: Springer, 2018. s. 38-48 s. ISBN 978-3-319-92006-1.

HÁJEK, P. - STŘÍTESKÁ, M. - PROKOP, V. Integrating Balanced Scorecard and Fuzzy TOPSIS for Innovation Performance Evaluation. In PACIS 2018 Proceedings. Atlanta: Association for Information Systems, 2018. s. nestrankovano s. ISBN 978-4-902590-83-8.

ODEI, S. - PROKOP, V. - STEJSKAL, J. - HÁJEK, P. Collaborating to be innovative: a critical look at factors attracting firms to their cooperating partners. In Proceedings Book from ICEIRD 2018. Doha: Publications Management: ARTION Conferences & Events, 2018. s. 31-38 s. ISBN 978-960-9416-21-4.

ODEI, S. - PROKOP, V. - STEJSKAL, J. - HÁJEK, P. Cooperation as a strategy to overcome firm´s innovation barriers – the case of German manufacturing firms. In Proceedings Book from ICEIRD 2018. Doha: Publications Management: ARTION Conferences & Events, 2018. s. 21-28 s. ISBN 978-960-9416-21-4.

HÁJEK, P. - HENRIQUES, R. Mining corporate annual reports for intelligent detection of financial statement fraud - A comparative study of machine learning methods Knowledge-Based Systems, 2017, vol. 128, no. July, s. 139-152. ISSN: 0950-7051.

HÁJEK, P. - STEJSKAL, J. Library usage mining in the context of alternative costs The case of the Municipal Library of Prague LIBRARY HI TECH, 2017, vol. 35, no. 4, s. 558-576. ISSN: 0737-8831.

HÁJEK, P. - PACHURA, P. - PROCHÁZKA, O. - STEJSKAL, J. Textual Analysis for Developing Fuzzy Cognitive Maps - The Case of Strategy Maps Journal of Theoretical and Applied Information Technology, 2017, vol. 95, no. 23, s. 6536-6545. ISSN: 1992-8645.

HÁJEK, P. - HENRIQUES, R. Modelling innovation performance of European regions using multi-output neural networks PLoS One, 2017, vol. 12, no. 10, s. nestránkováno. ISSN: 1932-6203.

MYŠKOVÁ, R. - HÁJEK, P. Comprehensive Assessment of Firm Financial Performance using Financial Ratios and Linguistic Analysis of Annual Reports Journal of International Studies, 2017, vol. 10, no. 4, s. 96-108. ISSN: 2071-8330.

BLAHUT, J. - KLIMEŠ, J. - BALEK, J. - HÁJEK, P. - ČERVENÁ, L. - LYSÁK, J. Snow avalanche hazard of the Krkonose National Park, Czech Republic Journal of Maps, 2017, vol. 13, no. 2, s. 86-90. ISSN: 1744-5647.

HÁJEK, P. - OLEJ, V. Intuitionistic neuro-fuzzy network with evolutionary adaptation Evolving Systems, 2017, vol. 8, no. 1, s. 35-47. ISSN: 1868-6478.

HÁJEK, P. - STEJSKAL, J. Intelligent prediction of firm innovation activity - the case of Czech smart cities. In Information innovation technology in smart cities. 1. vyd. Singapur: Springer, 2017. 14 s. ISBN: 978-981-10-1741-4.

GARDINER, R. - HÁJEK, P. Impact of GDP, Capital and Employment on Waste Generation - The Case of France, Germany and UK Regions. In ICEME 2017 : proceedings of the 8th International Conference on E-business, Management and Economics. New York: ACM (Association for Computing Machinery), 2017. s. 94-97 s. ISBN 978-1-4503-5367-0.

GARDINER, R. - HÁJEK, P. Impact of GDP, gross capital formation and employment on waste generation - The case of EU regions. In Engines of Urban and Regional Development. Banská Bystrica: Univerzita Mateja Bela v Banskej Bystrici, 2017. s. 138-145 s. ISBN 978-80-557-1335-9.

MYŠKOVÁ, R. - HÁJEK, P. Snížení asymetrie informací ve výročních zprávách společností využitím analýzy sentimentu textových zdrojů. In Current Problems of the Corporate Sector 2017. Bratislava: Ekonóm, 2017. s. 804-812 s. ISBN 978-80-225-4422-1.

HÁJEK, P. - PROCHÁZKA, O. - PACHURA, P. Fuzzy cognitive maps based on text analysis for supporting strategic planning. In International Conference on Research and Innovation in Information Systems, ICRIIS : proceedings. New York: IEEE (Institute of Electrical and Electronics Engineers), 2017. s. 1-6 s. ISBN 978-1-5090-3035-4.

HÁJEK, P. - PROCHÁZKA, O. Learning Interval-Valued Fuzzy Cognitive Maps with PSO Algorithm for Abnormal Stock Return Prediction. In Theory and Practice of Natural Computing. Heidelberg: Springer, 2017. s. 113-125 s. ISBN 978-3-319-71068-6.

HÁJEK, P. - OLEJ, V. - PROCHÁZKA, O. Predicting Corporate Credit Ratings Using Content Analysis of Annual Reports - A Naive Bayesian Network Approach. In Enterprise Applications, Markets and Services in the Finance Industry. Heidelberg: Springer, 2017. s. 47-61 s. ISBN 978-3-319-52764-2.

MYŠKOVÁ, R. - HÁJEK, P. The Effect of Managerial Sentiment on Market-to-Book Ratio Transformations in Business and Economics, 2016, vol. 15, no. 2A (38A), s. 498-513. ISSN: 1648-4460.

STEJSKAL, J. - HÁJEK, P. - ŘEHÁK, T. The Economic Value of Book Loans – The Case of the Municipal Library of Prague LIBRI - International Journal of Libraries and Information Studies, 2016, vol. 66, no. 4, s. 303-311. ISSN: 0024-2667.

BARUSHKA, A. - HÁJEK, P. Spam Filtering Using Regularized Neural Networks with Rectified Linear Units. In AIIA 2016 Advances in Artificial Intelligence. Heidelberg: Springer, 2016. s. 65-75 s. ISBN 978-3-319-49129-5.

HÁJEK, P. - BA HAKIM, A. - ZEMINOVÁ, K. The role of regional knowledge generation and diffusion in firms' innovation activity. In Proceedings of the 18th European Conference on Knowledge Management. Reading: Academic Conferences and Publishing International, 2016. s. 350-356 s. ISBN 978-1-911218-03-6.

GARDINER, R. - HÁJEK, P. The Causal Relationship among Sustainable Development Indicators and Economic Growth – The Case of EU28 Countries. In Globalization and Its Socio-Economic Consequences 16th International Scientific Conference Globalization and Its Socio-Economic Consequences Proceedings. Žilina: Žilinská univerzita, 2016. s. 468-474 s. ISBN 978-80-8154-191-9.

STEJSKAL, J. - HÁJEK, P. Determinants of Collaboration and Innovation in Creative industries A case of the Czech Republic. In Proceedings of Knowledge Management International Conference (KMICe) 2016. Sintok: Universiti Utara Malaysia, 2016. s. 116-121 s. ISBN 978-967-0910-20-8.

STEJSKAL, J. - HÁJEK, P. Measuring the Effectiveness of Cooperative Ties in Knowledge Networks. In Proceedings of the 18th European Conference on Knowledge Management. Reading: Academic Conferences and Publishing International, 2016. s. 831-839 s. ISBN 978-1-911218-03-6.

HÁJEK, P. - BOHÁČOVÁ, J. Predicting Abnormal Bank Stock Returns Using Textual Analysis of Annual Reports – A Neural Network Approach. In Communications in Computer and Information Science. Heidelberg: Springer, 2016. s. 67-78 s. ISBN 978-3-319-44187-0.

HÁJEK, P. - PROCHÁZKA, O. Interval-Valued Fuzzy Cognitive Maps for Supporting Business Decisions. In 2016 IEEE International Conference on Fuzzy Systems, FUZZ-IEEE 2016. New York: IEEE (Institute of Electrical and Electronics Engineers), 2016. s. 531-536 s. ISBN 978-1-5090-0625-0.

HÁJEK, P. - STEJSKAL, J. - PROCHÁZKA, O. Modelling Innovation Activity in Regional Innovation Networks Using Fuzzy Cognitive Maps. In Proceedings of the 11th European Conference on Innovation and Entrepreneurship. Reading: Academic Conferences and Publishing International, 2016. s. 239-246 s. ISBN 978-1-911218-08-1.

GARDINER, R. - HÁJEK, P. The Role of Innovative SMEs to the Growth of Regional Economy: The Case of Czech Republic. In Economic and Social Development : book of proceedings. Varazdin: Varazdin Development and Entrepreneurship Agency, 2016. s. 630-637 s.

HÁJEK, P. - STEJSKAL, J. Knowledge spillover effect in German Knowledge-Intensive Industries. In Proceedings of Knowledge Management International Conference (KMICe) 2016. Sintok: Universiti Utara Malaysia, 2016. s. 122-127 s. ISBN 978-967-0910-20-8.

HÁJEK, P. - OLEJ, V. Predicting Common Air Quality Index - The Case of Czech Microregions Aerosol and Air Quality Research, 2015, vol. 15, no. 2, s. 544-555. ISSN: 1680-8584.

STEJSKAL, J. - HÁJEK, P. Evaluating the economic value of a public service-the case of the Municipal Library of Prague Public Money & Management, 2015, vol. 35, no. 2, s. 145-152. ISSN: 0954-0962.

HÁJEK, P. - STEJSKAL, J. Modelling Public Library Value Using the Contingent Valuation Method: The Case of the Municipal Library of Prague Journal of Librarianship and Information Science, 2015, vol. 47, no. 1, s. 43-55. ISSN: 0961-0006.

STEJSKAL, J. - HÁJEK, P. Effectiveness of digital library services as a basis for decision-making in public organizations Library & Information Science Research, 2015, vol. 37, no. 4, s. 346-352. ISSN: 0740-8188.

HÁJEK, P. - MANSFELDOVÁ, L. Assessing the Effect of Knowledge Management Initiatives on Stakeholder Objectives Using Fuzzy TOPSIS. In Lecture Notes in Business Information Processing. Cham: Springer International Publishing AG, 2015. s. 60-70 s. ISBN 978-3-319-21009-4.

PROCHÁZKA, O. - HÁJEK, P. Modelling Knowledge Management Processes Using Fuzzy Cognitive Maps. In Lecture Notes in Business Information Processing. Cham: Springer International Publishing AG, 2015. s. 41-50 s. ISBN 978-3-319-21009-4.

MYŠKOVÁ, R. - HÁJEK, P. Novel Multi-word Lists for Investors’ Decision Making. In Text, Speech, and Dialogue: 18th International Conference, TSD 2015 Proceedings. Berlin: Springer, 2015. s. 131-139 s. ISBN 978-3-319-24032-9.

HÁJEK, P. - OLEJ, V. Intuitionistic Fuzzy Neural Network: The Case of Credit Scoring Using Text Information. In Engineering Applications of Neural Networks: 16th International Conference, EANN 2015. Berlin: Springer, 2015. s. 337-346 s. ISBN 978-3-319-23981-1.

HÁJEK, P. - OLEJ, V. Concurrent Sentiment and Concept Extraction from Corporate Annual Reports for Financial Performance Forecasting. In 6th International Multi-Conference on Complexity, Informatics and Cybernetics, IMCIC 2015: Proceedings Vol. II. Winter Garden: International Institute of Informatics and Systemics, 2015. s. 57-62 s. ISBN 978-1-941763-20-9.

STEJSKAL, J. - HÁJEK, P. The Influence of Public Expenditure on Innovation Activity In Czech Manufacturing Industry. In Innovation Vision 2020: From Regional Development Sustainability to Global Economic Growth. Norristown: International Business Information Management Association-IBIMA, 2015. s. 1820-1827 s. ISBN 978-0-9860419-4-5.

PROCHÁZKA, O. - HÁJEK, P. Intuitionistic Fuzzy Cognitive Maps for Corporate Performance Modeling. In Proceedings of the 33rd International conference Mathematical Methods in Economics. Plzeň: Západočeská univerzita v Plzni, 2015. s. 683-688 s. ISBN 978-80-261-0539-8.

STEJSKAL, J. - HÁJEK, P. Modelling Knowledge Spillover Effects Using Moderated and Mediation Analysis – The Case of Czech High-Tech Industries. In Lecture Notes in Business Information Processing. Maribor: Springer International Publishing AG, 2015. s. 329-341 s. ISBN 978-3-319-21009-4.

HÁJEK, P. - OLEJ, V. Visualizing Word Categorization of Corporate Annual Reports Using Self-Organizing Maps. In 6th International Multi-Conference on Complexity, Informatics and Cybernetics, IMCIC 2015: Proceedings Vol. II. Winter Garden: International Institute of Informatics and Systemics, 2015. s. 51-56 s. ISBN 978-1-941763-20-9.

HÁJEK, P. - STEJSKAL, J. Predicting the Innovation Activity of Chemical Firms Using an Ensemble of Decision Trees. In Proceedings from 11th International Conference on Innovations in Information Technology. New York: IEEE (Institute of Electrical and Electronics Engineers), 2015. s. 35-39 s. ISBN 978-1-4673-8511-4.

HÁJEK, P. - STEJSKAL, J. Modelling Knowledge Spillovers via Collaboration between Creative Employees. In Advances in Education Research. Vol. 85: Proceedings from ICEA 2015. Bellflower: Information Engineering Research Institute, 2015. s. 106-111 s. ISBN 978-1-61275-118-4.

HÁJEK, P. - STEJSKAL, J. - PROCHÁZKA, O. Modelling the Innovation Performance of Chemical Firm Using Fuzzy Cognitive Maps. In Advances in Education Research. Vol. 85: Proceedings from ICEA 2015. Bellflower: Information Engineering Research Institute, 2015. s. 112-116 s. ISBN 978-1-61275-118-4.

HÁJEK, P. - STEJSKAL, J. Obstacles to Innovation Activity in Czech Manufacturing Industries. In Innovation Vision 2020: From Regional Development Sustainability to Global Economic Growth. Norristown: International Business Information Management Association-IBIMA, 2015. s. 1828-1835 s. ISBN 978-0-9860419-4-5.

HÁJEK, P. - OLEJ, V. Word Categorization of Corporate Annual Reports for Bankruptcy Prediction by Machine Learning Methods. In Text, Speech, and Dialogue: 18th International Conference, TSD 2015 Proceedings. Berlin: Springer, 2015. s. 122-130 s. ISBN 978-3-319-24032-9.

HÁJEK, P. - STEJSKAL, J. Does University-Industry Cooperation Lead to Innovation? - Case study of Czech Republic. In ICERI2015: Proceedings. Madrid: International Association of Technology, Education and Development (IATED), 2015. s. 6659-6669 s. ISBN 978-84-608-2657-6.

HÁJEK, P. - OLEJ, V. - MYŠKOVÁ, R. Predicting Financial Distress of Banks Using Random Subspace Ensembles of Support Vector Machines. In Artificial Intelligence Perspectives and Applications (CSOC2015). Berlin: Springer, 2015. s. 131-140 s. ISBN 978-3-319-18475-3.

HÁJKOVÁ, V. - HÁJEK, P. Efficiency of knowledge bases in urban population and economic growth - Evidence from European cities CITIES, 2014, vol. 40, no. A, s. 11-22. ISSN: 0264-2751.

HÁJEK, P. - HENRIQUES, R. - HÁJKOVÁ, V. Visualising components of regional innovation systems using self-organizing maps-Evidence from European regions Technological Forecasting and Social Change, 2014, vol. 84, no. Květen, s. 197-214. ISSN: 0040-1625.

HÁJEK, P. - STEJSKAL, J. Library User Behavior Analysis – Use in Economics and Management WSEAS Transactions on Business and Economics, 2014, vol. 11, no. 1, s. 107-116. ISSN: 1109-9526.

HÁJEK, P. - OLEJ, V. - MYŠKOVÁ, R. Forecasting corporate financial performance using sentiment in annual reports for stakeholders’ decision-making Technological and Economic Development of Economy, 2014, vol. 20, no. 4, s. 721-738. ISSN: 2029-4913.

HÁJEK, P. - OLEJ, V. Comparing corporate financial performance and qualitative information from annual reports using self-organizing maps. In 10th International Conference on Natural Computation (ICNC), 2014. New York: IEEE (Institute of Electrical and Electronics Engineers), 2014. s. 93-98 s. ISBN 978-1-4799-5151-2.

HÁJEK, P. - OLEJ, V. Defuzzification methods in intuitionistic fuzzy inference systems of Takagi-Sugeno type: The case of corporate bankruptcy prediction. In 2014 11th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD). New York: IEEE (Institute of Electrical and Electronics Engineers), 2014. s. 232-236 s. ISBN 978-1-4799-5148-2.

HÁJEK, P. - OLEJ, V. Predicting Firms’ Credit Ratings Using Ensembles of Artificial Immune Systems and Machine Learning – An Over-Sampling Approach. In Artificial Intelligence Applications and Innovations: 10th IFIP WG 12.5 International Conference, AIAI 2014, Rhodes, Greece, September 19-21, 2014, Proceedings. Heidelberg: Springer, 2014. s. 29-38 s. ISBN 978-3-662-44653-9.

HÁJEK, P. - OLEJ, V. - MYŠKOVÁ, R. Forecasting stock prices using sentiment information in annual reports - A neural network and support vector regression approach WSEAS Transactions on Business and Economics, 2013, vol. 10, no. 4, s. 293-305. ISSN: 1109-9526.

HÁJEK, P. - NERI, F. An introduction to the special issue on computational techniques for trading systems, time series forecasting, stock market modeling, financial assets modeling WSEAS Transactions on Business and Economics, 2013, vol. 10, no. 4, s. 291-292. ISSN: 1109-9526.

HÁJEK, P. - OLEJ, V. Evaluating sentiment in annual reports for financial distress prediction using neural networks and support vector machines Communications in Computer and Information Science, 2013, vol. 384, no. 2, s. 1-10. ISSN: 1865-0929.

HÁJEK, P. - MICHALAK, K. Feature selection in corporate credit rating prediction Knowledge-Based Systems, 2013, vol. 51, no. 1, s. 72-84. ISSN: 0950-7051.

HÁJEK, P. - OLEJ, V. Prediction of Air Quality Indices by Neural Networks and Fuzzy Inference Systems ? The Case of Pardubice Microregion Communications in Computer and Information Science, 2013, vol. 383, no. 1, s. 302-312. ISSN: 1865-0929.

HÁJEK, P. - STEJSKAL, J. Bibliomining Analysis Method - The Application in Economy of Public Sector International Journal of Economics and Statistics, 2013, vol. 1, no. 1, s. 49-58. ISSN: 2309-0685.

HÁJEK, P. - OLEJ, V. Modeling of relationships between economic performance and environmental quality by SOM and growing hierarchical SOM - The case of the Czech Republic regions WSEAS Transactions on Environment and Development, 2013, vol. 9, no. 3, s. 220-229. ISSN: 1790-5079.

STEJSKAL, J. - HÁJEK, P. - KOŤÁTKOVÁ STRÁNSKÁ, P. - MAŤÁTKOVÁ, K. - ŘEHÁK, T. - MIKUŠOVÁ MERIČKOVÁ, B. - HRONEC, Š. Měření hodnoty veřejných služeb (na příkladu veřejných knihoven). 1. vyd. Praha: Wolters Kluwer ČR, a. s., 2013. 206 s. ISBN: 978-80-7478-412-5.

HÁJEK, P. - STEJSKAL, J. - ŘEHÁK, T. Bibliomining Library Users and Their Willingness to Pay - Empirical Evidence from Municipal Library of Prague. In Hradec Economic Days 2013: Economic Development and Management of Regions. Hradec Králové: Gaudeamus, 2013. s. 95-100 s. ISBN 978-80-7435-251-5.

HÁJEK, P. - OLEJ, V. Prediction of Air Quality Indices by Neural Networks and Fuzzy Inference Systems - The Case of Pardubice Microregion. In Engineering Applications of Neural Networks: 14th International Conference, EANN 2013, Halkidiki, Greece, September 13-16, 2013, Proceedings, Part I. Heidelberg: Springer, 2013. s. 302-312 s. ISBN 978-3-642-41012-3.

HÁJEK, P. - OLEJ, V. Evaluating sentiment in annual reports for financial distress prediction using neural networks and support vector machines. In Engineering Applications of Neural Networks: 14th International Conference (EANN 2013), Part II. Berlin: Springer, 2013. s. 1-10 s. ISBN 978-3-642-41015-4.

PACHURA, P. - HÁJEK, P. Mapping Regional Innovation Strategies in Central Europe: a Fuzzy Cognitive Map Approach. In Mezinárodní vědecká konference Hradecké ekonomické dny 2013 : Sborník recenzovaných příspěvků. Díl II. Hradec Králové: Gaudeamus, 2013. s. 307-313 s. ISBN 978-80-7435-250-8.

HÁJEK, P. - STEJSKAL, J. - ŘEHÁK, T. Bibliomining Library Users and Their Willinghness to Pay - Empirical Evidence from Municipal Library of Prague. In Hradec Economic Days 2013: Economic Development and Management of Regions. Hradec Králové: Gaudeamus, 2013. s. 95-100 s. ISBN 978-80-7435-251-5.

HÁJEK, P. - STEJSKAL, J. Economic Value of Book Loans - The Case of the Municipal Library of Prague. In Recent Researches in Applied Economics and Management, Vol. I - Business Administration and Financial Management. Atény: WSEAS Press, 2013. s. 50-54 s. ISBN 978-960-474-323-0.

HÁJEK, P. - STEJSKAL, J. Perceived Value of Services Provided by Public Libraries - Interlibrary Comparison. In Recent Researches in Applied Economics and Management, Vol. I - Business Administration and Financial Management. Atény: WSEAS Press, 2013. s. 44-49 s. ISBN 978-960-474-323-0.

HÁJEK, P. - OLEJ, V. Ozone prediction on the basis of neural networks, support vector regression and methods with uncertainty Ecological Informatics, 2012, vol. 12, no. Listopad, s. 31-42. ISSN: 1574-9541.

HÁJEK, P. Forecasting Stock Market Trend using Prototype Generation Classifiers WSEAS Transactions on Systems, 2012, vol. 11, no. 12, s. 671-680. ISSN: 1109-2777.

STEJSKAL, J. - HÁJEK, P. Competitive Advantage Analysis: A Novel Method for Industrial Clusters Identification Journal of Business Economics and Management, 2012, vol. 2, no. 13, s. 344-365. ISSN: 1611-1699.

HÁJEK, P. Credit rating analysis using adaptive fuzzy rule-based systems: An industry-specific approach Central European Journal of Operations Research, 2012, vol. 20, no. 3, s. 421-434. ISSN: 1435-246X.

KOŤÁTKOVÁ STRÁNSKÁ, P. - MAŤÁTKOVÁ, K. - STEJSKAL, J. - HÁJEK, P. Public Services Value Determining – Case of Public Libraries. In Recent Researches in Business and Economics. Atény: WSEAS Press, 2012. s. 140-145 s. ISBN 978-1-61804-102-9.

HÁJEK, P. - STEJSKAL, J. Analysis of User Behavior in a Public Library using Bibliomining. In Proceedings of 3rd International Conference on Arts and Culture (ICAC'12). Atény: WSEAS Press, 2012. s. 339-344 s. ISBN 978-1-61804-147-0.

HÁJEK, P. - STEJSKAL, J. Bibliomining Analysis of the Portfolio of Services of Public Libraries - The case of the Municipal Library of Prague. In Proceedings of 3rd International Conference on Arts and Culture (ICAC'12). Stevens Point: WSEAS Press, 2012. s. 345-350 s. ISBN 978-1-61804-147-0.

HÁJEK, P. - OLEJ, V. - OBRŠÁLOVÁ, I. Modeling of Relationships between Economic Performance and Environmental Quality using Neural Networks with Unsupervised Learning – the Case of the Czech Republic Regions. In Recent Advances in Energy, Environment and Economic Development. Atény: WSEAS Press, 2012. s. 292-297 s. ISBN 978-1-61804-139-5.

HÁJEK, P. - OLEJ, V. Adaptive Intuitionistic Fuzzy Inference Systems of Takagi-Sugeno Type for Regression Problems. In Artificial Intelligence Applications and Innovations: 8th IFIP WG 12.5 International Conference, AIAI 2012, Halkidiki, Greece, September 27-30, 2012, Proceedings, Part I. Berlin: Springer, 2012. s. 206-216 s. ISBN 978-3-642-33408-5.

KOŤÁTKOVÁ STRÁNSKÁ, P. - MAŤÁTKOVÁ, K. - STEJSKAL, J. - HÁJEK, P. - ŘEHÁK, T. Přístupy ke zjišťování hodnoty veřejných služeb vnímané spotřebiteli – aplikace na služby veřejných knihoven.. In Sborník příspěvků z konference Knihovny současnosti 2012. Ostrava: Sdružení knihoven ČR, 2012. s. 225-237 s. ISBN 978-80-86249-65-0.

STEJSKAL, J. - KOŤÁTKOVÁ STRÁNSKÁ, P. - MAŤÁTKOVÁ, K. - HÁJEK, P. The Methods for Public Libraries Services Evaluation - Theoretical Overview. In Modern and Current Trends in the Public Sector Research: Proceedings of Abstracts. Brno: Masarykova univerzita, 2012. s. 53-53 s. ISBN 978-80-210-5715-9.

HÁJKOVÁ, V. - HÁJEK, P. Typology of regional innovation systems in Europe - A neural network approach International Journal of Mathematical Models and Methods in Applied Sciences, 2011, vol. 5, no. 3, s. 463-471. ISSN: 1998-0140.

HÁJEK, P. - OLEJ, V. Selection and classification of public capital projects using IF-sets International Journal of Mathematical Models and Methods in Applied Sciences, 2011, vol. 5, no. 3, s. 472-479. ISSN: 1998-0140.

HÁJEK, P. Municipal credit rating modelling by neural networks Decision Support Systems, 2011, vol. 51, no. 1, s. 108-118. ISSN: 0167-9236.

HÁJEK, P. - OLEJ, V. Credit rating modelling by kernel-based approaches with supervised and semi-supervised learning Neural Computing and Applications, 2011, vol. 20, no. 6, s. 761-773. ISSN: 0941-0643.

OLEJ, V. - HÁJEK, P. Air Quality Modeling by Fuzzy Sets and IF-Sets. In Environmental Modeling for Sustainable Regional Development : System Approaches and Advanced Methods. 1. vyd. Hershey: IGI Global, 2011. 26 s. ISBN: 978-1-60960-156-0.

HÁJEK, P. - OLEJ, V. Air Quality Assessment by Neural Networks. In Environmental Modeling for Sustainable Regional Development : System Approaches and Advanced Methods. 1. vyd. Hershey: IGI Global, 2011. 27 s. ISBN: 978-1-60960-156-0.

OLEJ, V. - HÁJEK, P. Comparison of Fuzzy Operators for IF-Inference Systems of Takagi-Sugeno Type in Ozone Prediction. In IFIP Advances in Information and Communication Technology. Heidelberg: Springer, 2011. s. 92-97 s. ISBN 978-3-642-23960-1.

HÁJEK, P. - OLEJ, V. Air quality assessment using neural networks and fuzzy logic. In Recent Researches in Environment, Energy Planning and Pollution. Atény: WSEAS Press, 2011. s. 49-54 s. ISBN 978-1-61804-012-1.

OLEJ, V. - HÁJEK, P. Air Quality Modelling with Uncertainty. In Recent Researches in Environment, Energy Planning and Pollution. Atény: WSEAS Press, 2011. s. 60-65 s. ISBN 978-1-61804-012-1.

OLEJ, V. - HÁJEK, P. - FILIPOVÁ, J. Modelling of web domain visits by IF-inference system WSEAS Transactions on Computers, 2010, vol. 9, no. 10, s. 1170-1180. ISSN: 1109-2750.

HÁJEK, P. - OLEJ, V. Hierarchical IF-Inference Systems for Local Sustainable Development Management WSEAS Transactions on Environment and Development, 2010, vol. 6, no. 10, s. 687-698. ISSN: 1790-5079.

HÁJEK, P. - OLEJ, V. Municipal Revenue Prediction by Ensembles of Neural Networks and Support Vector Machines WSEAS Transactions on Computers, 2010, vol. 9, no. 11, s. 1255-1264. ISSN: 1109-2750.

HÁJEK, P. Credit Rating Modelling by Neural Networks. New York: Nova Science Publishers, 2010. 76 s. ISBN: 978-1-61668-679-6.

HÁJEK, P. - STEJSKAL, J. Economic Development of Regions in the Context of Sustainability - Overview of Current Context. Saarbrücken: LAP Lambert Academic Publishing AG & Co. KG, 2010. 259 s. ISBN: 978-3-8433-8147-5.

OLEJ, V. - HÁJEK, P. Possibilities of air quality modelling based on IF-sets theory. In Computers and Simulation in Modern Science. 1. vyd. Atény: WSEAS Press, 2010. 11 s. ISBN: 978-960-474-267-7.

HÁJEK, P. - HÁJKOVÁ, V. Analysis of Quality of Life in EU Cities. In Tourism, Quality & Management - Challenges for Development and Sustainability. 1. vyd. Częstochowa: Politechnika Częstochowska, 2010. 12 s. ISBN: 978-83-61118-41-1.

HÁJKOVÁ, V. - HÁJEK, P. Analysis of Regional Innovation Systems by Neural Networks and Cluster Analysis. In Communication and Management in Technological Innovation and Academic Globalization. Atény: WSEAS Press, 2010. s. 46-51 s. ISBN 978-960-474-254-7.

HÁJEK, P. Adaptive fuzzy rule-based systems for credit rating analysis. In Proceedings of International Conference Mathematical Methods in Economics - Vol. I. České Budějovice: Jihočeská univerzita v Českých Budějovicích, 2010. s. 177-182 s. ISBN 978-80-7394-218-2.

OLEJ, V. - FILIPOVÁ, J. - HÁJEK, P. Time Series Prediction of Web Domain Visits by IF-Inference System. In Latest Trends on Computers. Atény: WSEAS Press, 2010. s. 156-161 s. ISBN 978-960-474-201-1.

HÁJEK, P. - OLEJ, V. Local Sustainable Development Modelling by Hierarchical IF-Inference Systems. In Latest Trends on Computers. Atény: WSEAS Press, 2010. s. 162-167 s. ISBN 978-960-474-201-1.

HÁJEK, P. - OLEJ, V. Municipal Revenue Prediction by Support Vector Machine Ensembles. In Latest Trends on Computers. Atény: WSEAS Press, 2010. s. 325-330 s. ISBN 978-960-474-201-1.

HÁJEK, P. - OLEJ, V. Selection of Public Capital Projects using IF-Sets. In Mathematical Models for Engineering Science. Atény: WSEAS Press, 2010. s. 124-129 s. ISBN 978-960-474-252-3.

HÁJEK, P. Probabilistic Neural Networks for Credit Rating Modelling. In Proceedings of the International Conference on Neural Computation 2010. Setúbal: International Joint Conference on Computational Intelligence, 2010. s. 289-294 s. ISBN 978-989-8425-32-4.

OLEJ, V. - HÁJEK, P. IF-Inference Systems Design for Prediction of Ozone Time Series: The Case of Pardubice Micro-region. In Proceedings of International Conference on Artificial Neural Networks. Heidelberg: Springer, 2010. s. 1-11 s. ISBN 978-3-642-15818-6.

HÁJEK, P. - OLEJ, V. Air Pollution Assessment using Hierarchical Fuzzy Inference Systems Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2009, vol. 14, no. 15, s. 52-61. ISSN: 1211-555X.

OLEJ, V. - HÁJEK, P. Air Pollution Assessment using Intuitionistic Hierarchical Fuzzy Inference Systems Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2009, vol. 15, no. 15, s. 153-163. ISSN: 1211-555X.

STEJSKAL, J. - HÁJEK, P. The Notes to Methods for Industrial Cluster Identification Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2009, vol. 14, no. 14, s. 232-240. ISSN: 1211-555X.

HÁJEK, P. - OLEJ, V. Air Quality Indices and their Modelling by Hierarchical Fuzzy Inference Systems WSEAS Transactions on Environment and Development, 2009, vol. 5, no. 10, s. 661-672. ISSN: 1790-5079.

HÁJEK, P. - HÁJKOVÁ, V. Debt Analysis of Czech Municipalities Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2009, vol. 14, no. 14, s. 36-42. ISSN: 1211-555X.

HÁJEK, P. Air Quality Modelling by Neural Networks. In Modelling of Selected areas of Sustainable Development by Artificial Intelligence and Soft Computing - Regional level. Praha: GRADA Publishing a.s., 2009. 18 s. ISBN: 978-80-247-3167-4.

OLEJ, V. - HÁJEK, P. Air Quality Modelling by Fuzzy Sets. In Modelling of Selected areas of Sustainable Development by Artificial Intelligence and Soft Computing - Regional level. Praha: GRADA Publishing a.s., 2009. 10 s. ISBN: 978-80-247-3167-4.

HÁJEK, P. - OBRŠÁLOVÁ, I. Sustainable Development Indicators and Possibilities of their Modelling. In Modelling of Selected areas of Sustainable Development by Artificial Intelligence and Soft Computing - Regional level. Praha: GRADA Publishing a.s., 2009. 24 s. ISBN: 978-80-247-3167-4.

HÁJEK, P. Air Quality Modelling by Neuro-Fuzzy Systems. In Modelling of Selected areas of Sustainable Development by Artificial Intelligence and Soft Computing - Regional level. Praha: GRADA Publishing a.s., 2009. 14 s. ISBN: 978-80-247-3167-4.

HÁJKOVÁ, V. - HÁJEK, P. Learning Regions Identification by Unsupervised Methods. In 3rd Central European Conference in Regional Science - International Conference Proceedings. Košice: Technická univerzita v Košiciach, 2009. s. 1037-1048 s. ISBN 978-80-553-0329-1.

HÁJEK, P. - HÁJKOVÁ, V. Modelling Quality of Life in Regional Centres. In 3rd Central European Conference in Regional Science - International Conference Proceedings. Košice: Technická univerzita v Košiciach, 2009. s. 1024-1036 s. ISBN 978-80-553-0329-1.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by Kernel-Based Approaches with Supervised and Semi-supervised Learning. In Engineering Applications of Neural Networks - EANN 2009: 11th International Conference on Engineering. Dordrecht: Springer, 2009. s. 35-44 s. ISBN 978-3-642-03968-3.

HÁJEK, P. - OLEJ, V. Intuitionistic Hierarchical Fuzzy Inference Systems Design for Air Quality Modelling. In Energy, Environment, Ecosystems, Development and Landscape Architecture. Atény: WSEAS Press, 2009. s. 89-94 s. ISBN 978-960-474-125-0.

HÁJKOVÁ, V. - HÁJEK, P. Identifikace učících se regionů. In Sborník příspěvků z konference Modelování a rozhodování ve veřejné správě. Pardubice: Univerzita Pardubice, 2009. s. 40-45 s. ISBN 978-80-7395-119-1.

HÁJEK, P. - OLEJ, V. An Air Pollution Index based on Hierarchical Fuzzy Inference Systems. In Energy, Environment, Ecosystems, Development and Landscape Architecture. Atény: WSEAS Press, 2009. s. 83-88 s. ISBN 978-960-474-125-0.

HÁJEK, P. - HÁJKOVÁ, V. Analýza faktorů kvality života ve městech. In Sborník příspěvků z konference Modelování a rozhodování ve veřejné správě. Pardubice: Univerzita Pardubice, 2009. s. 34-39 s. ISBN 978-80-7395-119-1.

HÁJEK, P. - OLEJ, V. Possibilities of Air Quality Modelling. In Book of Proceedings of the 5th International Conference EMAN 2009: Environmental Accounting Sustainable Development Indicators. Ústí nad Labem: Univerzita Jana Evangelisty Purkyně v Ústí nad Labem, 2009. s. 30-30 s. ISBN 978-80-7414-124-9.

OLEJ, V. - HÁJEK, P. Municipal Creditworthiness Modelling by Radial Basis Function Neural Networks and Sensitive Analysis of Their Input Parameters. In Lecture Notes in Computer Science. Heidelberg: Springer, 2009. s. 505-514 s.

OLEJ, V. - HÁJEK, P. Classification on the Basis Intuitionistic Hierarchical Fuzzy Inference System of Mamdani Type Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2008, vol. 13, no. 12, s. 140-145. ISSN: 1211-555X.

HÁJEK, P. - OLEJ, V. Air Quality Modelling by Kohonen´s Self-organizing Feature Maps and LVQ Neural Networks WSEAS Transactions on Environment and Development, 2008, vol. 4, no. 1, s. 45-55. ISSN: 1790-5079.

OLEJ, V. - HÁJEK, P. Air Quality Classification by Intuitionistic Fuzzy Relations and Kohonen´s Self-organizing Feature Maps Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2008, vol. 13, no. 12, s. 146-152. ISSN: 1211-555X.

STEJSKAL, J. - HÁJEK, P. The Influence of Business Climate on Industrial Clusters SAJOSPS - South Asian Journal of Socio-Political Studies, 2008, vol. 9, no. 1, s. 44-47. ISSN: 0972-4613.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by Neural Networks Acta Electrotechnica et Informatica, 2008, vol. 8, no. 4, s. 10-15. ISSN: 1335-8243.

HÁJEK, P. Modelling Sustainable Development of Czech Regions. In Teória a prax verejnej správy. Košice: 2008. s. 1-5 s. ISBN 978-80-7097-736-1.

HÁJEK, P. - OLEJ, V. Klasifikace ekonomických subjektů pomocí fuzzy inferenčních systémů. In Sborník abstraktů - Veřejná správa 2008. Pardubice: Univerzita Pardubice, 2008. s. 1-6 s. ISBN 978-80-7395-108-5.

HÁJEK, P. - STEJSKAL, J. Industrial Clusters Identification Methods - Czech Case. In Papers of ERSA 2008 Liverpool. Liverpool: University of Liverpool, 2008. s. 1-8 s. ISBN N.

OLEJ, V. - HÁJEK, P. Air Quality Modelling by Kohonen´s Self-organizing Feature Maps and Intuitionistic Fuzzy Sets. In Proceedings of the Twelfth IASTED International Conference on Artificial Intelligence & Soft Computing. Calgary: ACTA Press, 2008. s. 22-27 s. ISBN 978-0-88989-756-7.

HÁJEK, P. - OLEJ, V. Řízení environmentálních rizik pomocí Kohonenových samoorganizujících se map a LVQ neuronových sítí. In Krizový management. Pardubice: Univerzita Pardubice, 2008. s. 114-118 s. ISBN 80-7194-887-X.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by Kohonen´s Self-organizing Feature Maps and LVQ Neural Networks. In Artificial Intelligence and Soft Computing ? ICAISC 2008: 9th International Conference Zakopane, Poland, June 22-26, 2008, Proceedings. Dordrecht: Springer, 2008. s. 52-61 s. ISBN 978-3-540-69572-1.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by Kohonen?s Self-organizing Feature Maps and Fuzzy Logic Neural Networks. In Artificial Neural Networks - ICANN 2008: 18th International Conference, Prague, Czech Republic, September 3-6, 2008, Proceedings, Part II. Dordrecht: Springer, 2008. s. 533-542 s. ISBN 978-3-540-87535-2.

OLEJ, V. - HÁJEK, P. - VOMOČIL, M. Modelování bonity obcí pomocí dopředných neuronových sítí Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2007, no. 11, s. 172-181. ISSN: 1211-555X.

OLEJ, V. - HÁJEK, P. Hierarchical Structure of Fuzzy Inference Systems Design for Municipal Creditworthiness Modelling WSEAS Transactions on Systems and Controls, 2007, vol. 2, no. 2, s. 162-169. ISSN: 1991-8763.

OLEJ, V. - HÁJEK, P. Modelování bonity obcí pomocí Kohonenových samoorganizujících se map a LVQ neuronových sítí Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2007, no. 12, s. 135-142. ISSN: 1211-555X.

OLEJ, V. - HÁJEK, P. - KŘUPKA, J. - OBRŠÁLOVÁ, I. MODELOVÁNÍ KVALITY OVZDUŠÍ POMOCÍ KOHONENOVÝCH NEURONOVÝCH SÍTÍ Scientific Papers of the University of Pardubice - Series D, Faculty of Economics and Administration, 2007, no. 12, s. 143-149. ISSN: 1211-555X.

OLEJ, V. - HÁJEK, P. - KŘUPKA, J. - OBRŠÁLOVÁ, I. Air Quality Modelling by Kohonen's Neural Networks. In Proceedings of the 6th WSEAS International Conference CIMMACS 2007 and the 5th WSEAS International Conference EED 2007. Atény: WSEAS Press, 2007. s. 221-226 s. ISBN 978-960-6766-20-6.

HÁJEK, P. - OLEJ, V. Ohodnocování bonity obcí pomocí fuzzy inferenčních systémů. In Aktuální otázky rozvoje regionů 2007. Pardubice: Univerzita Pardubice, 2007. s. 1-5 s. ISBN 978-80-7194-978-7.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by Clustering Methods. In 10th International Conference on Engineering Applications of Neural Network, ICANN07. Thessaloniki: Publishing Centre Alexander T.E.I. of Thessaloniki, 2007. s. 168-177 s. ISBN 978-960-287-093-8.

HÁJEK, P. - OLEJ, V. Municipal Creditworthiness Modelling by means of Fuzzy Inference Systems and Neural Networks. In 4th International Conference on Information Systems and Technology Management, TECSI-FEA USP. Sao Paulo: Universidade de Sao Paulo, 2007. s. 586-608 s. ISBN 978-85-99693-02-5.

HÁJEK, P. - OLEJ, V. Modelling Municipal Creditworthiness by Hierarchical Structures of Fuzzy Inference Systems. In Proceedings of the 6th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases. Atény: WSEAS Press, 2007. s. 234-242 s. ISBN 978-960-8457-59-1.

HÁJEK, P. - OLEJ, V. Řízení úvěrového rizika obcí pomocí fuzzy inferenčních systémů. In Krizový management. Pardubice: Univerzita Pardubice, 2007. s. 9-12 s. ISBN 80-7194-887-X.

HÁJEK, P. - STEJSKAL, J. Financování rozvoje informačních technologií v podnicích ČR z prostředků EU Ekonomika a management, 2006, vol. 4, no. 1, s. 92-101. ISSN: 1802-3975.

OLEJ, V. - HÁJEK, P. Modelling Municipal Rating by Unsupervised Methods WSEAS Transactions on Systems, 2006, vol. 5, no. 7, s. 1679-1786. ISSN: 1109-2777.

HÁJEK, P. Modelování bonity obcí metodami výpočetní inteligence (teze disertační práce). Pardubice: Univerzita Pardubice, 2006. 34 s. ISBN: 80-7194-898-5.

HÁJEK, P. - OLEJ, V. Modelling Municipal Rating by Cluster Analysis and Neural Networks. In Proceedings of the 7th WSEAS International Conference on Neural Networks (NN '06). Atény: WSEAS Press, 2006. s. 1-7 s. ISBN 960-8457-46-7.

STEJSKAL, J. - HÁJEK, P. Možnosti sledování zadluženosti obcí v soudobé praxi E+M Ekonomie a Management, 2005, vol. VIII., no. 1/2005, s. 51-58. ISSN: 1212-3609.

STEJSKAL, J. - HÁJEK, P. Současné přístupy k regulaci zadluženosti obcí. In Hradecké ekonomické dny 2005. Hradec Králové: Gaudeamus, 2005. s. 49-55 s. ISBN 80-7041-978-4.

STEJSKAL, J. - HÁJEK, P. Užití e-governmentu při poskytování veřejných služeb. In Internet a konkurenceschopnost podniku. Zlín: Univerzita Tomáše Bati ve Zlíně, 2005. s. neuvedeny s. ISBN 80-7318-269-6.

STEJSKAL, J. - HÁJEK, P. Kvalitnější strategie rozvoje regionů soudržnosti za pomoci e-learningu. In Systémová pedagogika. Hradec Králové: Gaudeamus, 2005. s. 186-190 s. ISBN 80-86771-11-3.

HÁJEK, P. Možnosti sledování zadluženosti municipalit. In Finance a účetnictví ve vědě, výuce a praxi. Zlín: Univerzita Tomáše Bati ve Zlíně, 2005. s. 1-5 s. ISBN 80-7318-288-2.

STEJSKAL, J. - HÁJEK, P. Aplikace modelu CAF orgány veřejné správy. In Baťova region. konf.. Zlín: Univerzita Tomáše Bati ve Zlíně, 2005. s. neuvedeny s. ISBN 80-7318-257-2.

Projekty

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---