Publications

63 Books/Monographs [1986-2022]

[63] ECML PKDD 2022 Workshops in Grenoble, France, Proceedings, Koprinska, I., Gama, J., Ribeiro, R.P., et al (Eds), CCIS, Vol. 1752, Springer, 2022

[62] Foundations of Intelligent Systems, Proceedings of ISMIS'22, Ceci, M., Flesca, S., Masciari, E., Manco, G., Ras, Z.W. (Eds), LNAI, Vol. 13515, Springer, 2022

[61] Recommender Systems for Medicine and Music, Z.W. Ras, A. Wieczorkowska, S. Tsumoto (Eds), Studies in Computational Intelligence, Vol. 946, Springer, 2021

[60] Intelligent Systems in Industrial Applications, M. Stettinger, G. Leitner, A. Felfernig, Z.W. Ras (Eds), Studies in Computational Intelligence, Vol. 949, Springer, 2021

[59] ECML PKDD 2020 Workshops in Ghent, Belgium, Proceedings, Koprinska, I., Kamp, M., Appice, A., et al (Eds), CCIS, Vol. 1323, Springer, 2020

[58] Foundations of Intelligent Systems, Proceedings of ISMIS'20, Helic, D., Leitner, G., Stettinger, M., Felfernig, A., Ras, Z.W. (Eds), LNAI, Vol. 12117, Springer, 2020

[57] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2019, ECML-PKDD 2019 Workshop in Wurzburg, Germany, M. Ceci,C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI, Vol. 11948, Springer, 2020

[56] Complex Pattern Mining: New Challenges, Methods and Applications, A. Appice, M. Ceci,C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), Studies in Computational Intelligence, Vol. 880, Springer, 2020

[55] Recommender System for Improving Customer Loyalty, Tarnowska, K., Ras, Z.W., Daniel, L., Studies in Big Data, Vol. 55, Springer, 2020

[54] Foundations of Intelligent Systems, Proceedings of ISMIS'18, M. Ceci, N. Japkovicz, J. Liu, G.A. Papadopoulos, Z.W. Ras (Eds), LNAI, Vol. 11177, Springer, 2018

[53] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2017, ECML-PKDD 2017 Workshop in Skopje, Macedonia, A. Appice,C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI, Vol. 10785, Springer, 2018

[52] Foundations of Intelligent Systems, Proceedings of ISMIS'17, M. Kryszkiewicz, A. Appice, D. Slezak, H. Rybinski, A. Skowron, Z.W. Ras (eds.), LNAI, Vol. 10352, Springer, 2017

[51] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2016, ECML-PKDD 2016 Workshop in Riva del Garda, Italy, A. Appice, M. Ceci,C. Loglisci, E. Masciari, Z.W. Ras (Eds.), LNAI, Vol. 10312, Springer, 2017

[50] Decision Support System for Diagnosis and Treatment of Hearing Disorders, The Case of Tinnitus, by K.A. Tarnowska, Z.W. Ras, P.J. Jastreboff, Studies in Computational Intelligence, Vol. 685, Springer, 2017

[49] Proceedings of 2016 IEEE/WIC/ACM International Conference on Web Intelligence (WI'16), Z.W. Ras, Y. Li , M. Klusch (Eds), IEEE Computer Society, 2016

[48] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2015, ECML-PKDD 2015 Workshop in Porto, Portugal, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI, Vol. 9607, Springer, 2016

[47] Foundations of Intelligent Systems, Proceedings of ISMIS'15, F. Esposito, O. Pivert, M.-S. Hacid, Z.W. Ras (eds.), S. Ferilli, LNAI, Vol. 9384, Springer, 2015

[46] Proceedings of the Fourth ECML-PKDD 2015 Workshop on New Frontiers in Mining Complex Patterns (Porto, Portugal), M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), 2015, 199 pages

[45] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2014, ECML-PKDD 2014 Workshop in Nancy, France, A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI, Vol. 8983, Springer, 2015, 211 pages

[44] Proceedings of the Third ECML-PKDD 2014 Workshop on New Frontiers in Mining Complex Patterns (Nancy, France), A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), 2014, 217 pages

[43] Rough Sets and Intelligent Systems Paradigms, M. Kryszkiewicz, C. Cornelis, D. Ciucci, J. Medina-Moreno, H. Motoda, Z.W. Ras (editors), LNAI, Vol. 8537, Springer, 2014, 394 pages

[42] Foundations of Intelligent Systems, Proceedings of ISMIS'14, T. Andreasen, H. Christiansen, J. C. Cubero, Z.W. Ras (eds.), LNAI, Vol. 8502, Springer, 2014, 568 pages

[41] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2013, ECML-PKDD 2013 Workshop in Prague, Czech Republic, A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI 8399, Springer, 2014, 261 pages

[40] Proceedings of the Second ECML-PKDD 2013 Workshop on New Frontiers in Mining Complex Patterns (Prague, Czech Republic), A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), 2013, 260 pages

[39] New Frontiers in Mining Complex Patterns, Post-proceedings of NFMCP 2012, ECML/PKDD Workshop in Bristol, UK, A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), LNAI 7765, Springer, 2013, 231 pages

[38] Foundations of Intelligent Systems, Proceedings of ISMIS'12, L. Chen, A. Felfernig, J. Liu, Z.W. Ras (eds.), LNAI, Vol. 7661, Springer, 2012, 468 pages

[37] Proceedings of the ECML-PKDD 2012 Workshop on New Frontiers in Mining Complex Patterns (Bristol, UK), A. Appice, M. Ceci, C. Loglisci, G. Manco, E. Masciari, Z.W. Ras (Eds.), 2012, 205 pages

[36] Proceedings of 2011 IEEE/WIC/ACM International Conference on Web Intelligence, B. Benatallah, O. Boissier, M. Papazoglou, Z.W. Ras, M.-S. Hacid (Eds.), IEEE Computer Society, 2011, ISBN 978-0-7695-4513-4

[35] Foundations of Intelligent Systems, Proceedings of ISMIS'11, M. Kryszkiewicz, H. Rybinski, A. Skowron, Z.W. Ras (editors), LNAI, Vol. 6804, Springer, 2011

[34] Advances in Machine Learning I, J. Koronacki, Z.W. Ras, S. Wierzchon, J. Kacprzyk (editors), Studies in Computational Intelligence, Vol. 262, Springer, 2010, 524 pages

[33] Advances in Machine Learning II, J. Koronacki, Z.W. Ras, S. Wierzchon, J. Kacprzyk (editors), Studies in Computational Intelligence, Vol. 263, Springer, 2010, 532 pages

[32] Advances in Intelligent Information Systems, Z.W. Ras, L.-S. Tsay (editors), Studies in Computational Intelligence, Vol. 265, Springer, 2010, 374 pages

[31] Advances in Music Information Retrieval, Z.W. Ras, A. Wieczorkowska (editors), Studies in Computational Intelligence, Vol. 274, Springer, 2010, 420 pages

[30] Advances in Data Management, Z.W. Ras, A. Dardzinska (editors), Studies in Computational Intelligence, Vol. 223, Springer, 2009, 398 pages

[29] Advances in Information & Intelligent Systems, Z.W. Ras, W. Ribarsky (editors), Studies in Computational Intelligence, Vol. 251, Springer, 2009, 352 pages

[28] Foundations of Intelligent Systems, Proceedings of ISMIS'09, J. Rauch, Z.W. Ras, P. Berka, T. Elomaa (editors), LNAI, Vol. 5722, Springer, 2009, 624 pages

[27] Mining Complex Data, D.A. Zighed, S. Tsumoto, Z.W. Ras, H. Hacid (editors), Studies in Computational Intelligence, Vol. 165, Springer, 2009, 300 pages

[26] Foundations of Intelligent Systems, Proceedings of ISMIS'08, A. An, S. Matwin, Z.W. Ras, D. Slezak (editors), LNAI, Vol. 4994, Springer, 2008, 653 pages

[25] Mining Complex Data, Z.W. Ras, S. Tsumoto , D.A. Zighed (editors), Post-Proceedings of 2007 ECML/PKDD Third International Workshop (MCD 2007), LNAI, Vol. 4944, Springer, 2008, 265 pages

[24] Foundations of Intelligent Systems, Proceedings of ISMIS'06, F. Esposito, Z.W. Ras, D. Malerba, G. Semeraro (editors), LNAI, No. 4203, Springer, 2006, 767 pages

[23] "Computational Intelligence in Data Mining", Proceedings of 2005 IEEE ICDM Workshop in Houston, Texas, F. Berzal, J.C. Cubero , Z.W. Ras, T. Sudkamp, R. Yager (editors), Published by Math. Dept., Saint Mary's Univ., Nova Scotia, Canada, 2005, 90 pages

[22] "Mining Complex Data", Proceedings of 2005 IEEE ICDM Workshop in Houston, Texas, Z.W. Ras, S. Tsumoto , D.A. Zighed (editors), Published by Math. Dept., Saint Mary's Univ., Nova Scotia, Canada, 2005, 112 pages

[21] Foundations of Intelligent Systems, Proceedings of ISMIS'05, M.-S. Hacid , N. Murray , Z.W. Ras, S. Tsumoto (editors), LNAI, No. 3488, Springer, 2005

[20] Foundations of Intelligent Systems, Proceedings of ISMIS'03, N. Zhong , Z.W. Ras, S. Tsumoto, E. Suzuki (editors), LNAI, No. 2871, Springer, 2003, 693 pages

[19] Foundations of Intelligent Systems, Proceedings of ISMIS'02, M.-S. Hacid , Z.W. Ras, D. Zighed, Y. Kodratoff (editors), LNAI, No. 2366, Springer, 2002, 614 pages

[18] Foundations of Intelligent Systems, Proceedings of ISMIS'00, Z.W. Ras, S. Ohsuga(editors), Lecture Notes in Artificial Intelligence, No. 1932, Springer, 2000, 644 pages

[17] Foundations of Intelligent Systems, Proceedings of ISMIS'99, Z.W. Ras, A. Skowron (editors), LNAI, No. 1609, Springer-Verlag, 1999, 674 pages

[16] "Intelligent Information Systems", M. Klopotek, M. Michalewicz, Z.W. Ras (editors), Proceedings of the Workshop held in Malbork, Poland, 15-19 June, 1998, ICS PAS, Warsaw, Poland, 404 pages

[15] Intelligent Information Systems, M. Klopotek, M. Michalewicz, Z.W. Ras (editors), Proceedings of the Workshop held in Zakopane, Poland, 9-13 June, 1997, ICS PAS, Warsaw, Poland, 310 pages

[14] Foundations of Intelligent Systems, Proceedings of ISMIS'97, Z.W. Ras, A. Skowron (editors), LNAI, No. 1325, Springer, 1997, 631 pages

[13] Intelligent Information Systems, M. Michalewicz, Z.W. Ras (editors), Proceedings of the Workshop held in Deblin, Poland, 2-5 June, 1996, ICS PAS, Warsaw, Poland, 227 pages

[12] Foundations of Intelligent Systems, Proceedings of ISMIS'96, Z.W. Ras, M. Michalewicz (editors), LNAI, No. 1079, Springer, 1996, 664 pages

[11] "Intelligent Information Systems", M. Dabrowski, M. Michalewicz, Z.W. Ras (editors), Proceedings of the Workshop held in Augustow, Poland, 5-9 June, 1995, ICS PAS, Warsaw, Poland, 360 pages

[10] Methodologies for Intelligent Systems, Proceedings of ISMIS'94, Z.W. Ras, M. Zemankova (editors), LNAI, No. 869, Springer, 1994, 613 pages

[9] "Intelligent Information Systems", M. Dabrowski, M. Michalewicz, Z.W. Ras (editors), Proceedings of the Workshop held in Wigry, Poland, 6-10 June, 1994, ICS PAS, Warsaw, Poland, 473 pages

[8] Methodologies for Intelligent Systems, Proceedings of ISMIS'93, J. Komorowski and Z.W. Ras (editors), LNAI, Vol 689, Springer, 1993
Proceedings of the Seventh International Symposium on Methodologies for Intelligent Systems (Poster Session), Oak Ridge National Laboratory, 1993

[7] Methodologies for Intelligent Systems, Proceedings of ISMIS'91, Z.W. Ras and M. Zemankova (editors), LNAI, Vol. 542, Springer, 1991
Proceedings of the Sixth International Symposium on Methodologies for Intelligent Systems (Poster Session), Oak Ridge National Laboratory, 1991

[6] Intelligent Systems, State of the Art and Future Directions, Z.W. Ras, M. Zemankova (Eds), Ellis Horwood Series in AI, 1990

[5] Methodologies for Intelligent Systems, Vol. 5, Z.W. Ras, M. Zemankova, M. Emrich (Eds), North Holland, 1990

[4] Methodologies for Intelligent Systems, Vol. 4, Z.W. Ras (Ed), North Holland, 1989

[3] Methodologies for Intelligent Systems, Vol. 3, Z.W. Ras, L. Saitta (Eds), North Holland, 1988

[2] Methodologies for Intelligent Systems, Vol. 2, Z.W. Ras, M. Zemankova (Eds), North Holland, 1987

[1] Proceedings of ACM/SIGART International Symposium on Methodologies for Intelligent Systems, Z.W. Ras, M. Zemankova (Eds), ACM SIGART, 1986


15 Journal Special Issues [1997-2018]

[15] Model and Data Engineering, MEDI 2016 Special Issue, Ladjel Bellatreche, Z.W. Ras (Eds.), Fundamenta Informaticae Journal, IOS Press, Vol. 162, No. 4, 2018

[14] Warehousing and OLAPing Complex, Spatial and Spatio-Temporal Data, Special Issue, A. Cuzzocrea, Z.W. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 132, No. 2., 2014, 140 pages

[13] Concept Lattices and Their Applications, Special Issue, M. Kryszkiewicz, S. Obiedkov, Z.W. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 115, No. 4., 2012

[12] Interesting Knowledge Mining", Special Issue, Z.W. Ras, L.-S. Tsay (editors), International Journal of Data Mining, Modelling and Management, InderScience Publishers, Vol. 4, No. 3, 2012

[11] "Methodologies for Intelligent Systems", Special Issue, P. Berka, T. Elomaa, J. Rauch, Z. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 99, No.2., 2010, 125-246

[10] "Special Issue on Knowledge Discovery", Z.W. Ras, A. Dardzinska , (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 78, No. 4, 2007

[9] "Special Issue on Knowledge Discovery", Z.W. Ras (editor), Journal of Experimental and Theoretical Artificial Intelligence, Taylor & Francis, Vol. 17, No. 1-2, 2005, 162 pages

[8] "Special Issue on Knowledge Discovery", Z.W. Ras (editor), International Journal of Intelligent Systems, Wiley, Vol. 20, 2005, 669-787

[7] "Music Information Retrieval", Special Issue, A. Wieczorkowska , Z.W. Ras (editors), Journal of Intelligent Information Systems, Kluwer, Vol. 21, No. 1, 2003, 88 pages

[6] "Web Intelligence", Special Issue, J. Liu , N. Zhong , Y. Yao , Z.W. Ras (editors), Journal of Intelligent Information Systems, Vol. 20, No. 1, Kluwer, 2003, 99 pages

[5] "Intelligent Systems", Special Issue, Z.W. Ras, E. El-Kwae (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 47, No. 1/2, 2001, 188 pages

[4] "To the memory of Prof. Cecylia Rauszer", Special Issue, J. Komorowski, Z.W. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 32, No. 2, 1997, 105-191

[3] "Methodologies for Intelligent Information Systems", Special Issue, Z.W. Ras, A. Skowron (editors), Journal of Intelligent Information Systems, Kluwer, Vol. 14, No. 2/3, 2000, pp. 83-261

[2] "Methodologies for Intelligent Systems", Special Issue, J. Komorowski , Z.W. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 21, No. 3, 1994, pp. 161-253

[1] "Intelligent Information Systems", Special Issue, M. Michalewicz, Z.W. Ras (editors), Fundamenta Informaticae Journal, IOS Press, Vol. 30, No. 3/4, 1997, 227-402


Papers 2010-2024

28 Journal Papers (2010-2024)

[28] "Distributed Action Rules Discovery Based on Attributes Correlation and Vertical Data Partitioning", Benedict, A.C., Ras, Z.W., SI: Recent Advances in Information Retrieval and Recommendation Systems, Applied Sciences, 2024, 14(3), 1270; MDPI Publishers, 2024 (Impact Factor: 2.7)

[27] "Contemporary Art Authentication with Large Scale Classification", Dobbs, B.T., Nayeem, A., Cho, I., Ras, Z., in SI: Feature Papers 2023, Big Data and Cognitive Computing Journal, MDPI Publishers, 2023, 7(4), 162 (Impact Factor: 3.7)

[26] "A Cohort Study of Mental Health Services Utilization Following a First Pregnancy Abortion or Birth", Studnicki, J., Longbons, T., Fisher, J., et al., International Journal of Womens Health, Dovepress, Vol. 2023:15, Pages 955-963 (Impact Factor: 2.3)

[25] "High-Performance Actionable Knowledge Miner for Boosting Business Revenue", Tarnowska, K.A., Bagavathi, A., Ras, Z.W., SI: Advances in AI-Driven Data Mining, Applied Sciences Journal, MDPI Publishers, 2022, 12(23), 12393 (Impact Factor: 2.7)

[24] "Recommendation System for Improving Churn Rate based on Action Rules and Sentiment Mining", Duan, Y., Ras, Z.W., International Journal of Data Mining, Modelling and Management, InderScience Publishers, Vol. 14, No. 4, 2022, pp 287-308 (Impact Factor: 0.5)

[23] "The Enduring Association of a First Pregnancy Abortion with Subsequent Pregnancy Outcomes: A Longitudinal Cohort Study", Studnicki, J., Longbons, T., Reardon, D., et al., Health Services Research and Managerial Epidemiology, SAGE Journal, 2022;9 (Impact Factor: 1.6), Press Release, Newsweek

[22] "A data-driven approach to clinical decision support in tinnitus retraining therapy", Tarnowska, K., Ras, Z.W., Jastreboff, P.J., Frontiers in Neuroinformatics, Switzerland, September 28, 2022 (Impact Factor: 3.5)

[21] "Developing Customer Attrition Management System: Discovering Action Rules for Making Recommendations to Retain Customers", Duan, Y., Ras, Z.W., Applied Intelligence (APIN), Springer, 2022 (Impact Factor: 5.3)

[20] "Cloud Mining Actionable Pattern Discovery in Big Data: A Survey", Tzacheva, A., Chatterjee, S., Ras, Z., Transactions on Machine Learning and Artificial Intelligence,, Vol 10, No. 3, 42-102

[19] "On art authentication and the Rijksmuseum challenge: A residual neural network approach", Dobbs, T., Ras, Z.W., Expert Systems with Applications, Vol. 200, Elsevier, August 15, 2022 (Impact Factor: 8.5)

[18] "Reduction of Hospital Readmissions", Ras, Z.W., Advances in Clinical and Experimental Medicine (ACEM Journal), Wroclaw Medical University, Vol. 31, No. 1, 2022 (Impact Factor: 2.1)

[17] "Jumping into the artistic deep end: building the catalogue raisonne", Doobs, T., Benedict, A., Ras, Z.W., in SI: Born Digital - Shedding Light into the Darkness of Digital Culture, (Ed. Larry Stapleton), AI & SOCIETY, Journal of Knowledge, Culture and Communication, Springer, 2022 (Impact Factor: 3.00)

[16] "How to raise artwork prices using action rules, personalization, and artwork visual features", Powell, L., Gelich, A., Ras, Z.W., in SI: Methodologies for Intelligent Systems, (Eds. G. Leitner, M. Stettinger), Journal of Intelligent Information Systems, Vol 57, No. 3, Springer, 2021, 583-599 (Impact Factor: 3.4)

[15] "NLP-based Customer Loyalty Improvement Recommender System (CLIRS2)", K.A. Tarnowska, Z. Ras, in SI: Feature Papers 2020, Big Data and Cognitive Computing Journal, MDPI Publishers, 5(1):4, 2021 (Impact Factor: 3.7)

[14] "Discovering primary medical procedures and their associations with other procedures in HCUP data", M.T. Mardini, Z.W. Ras, Information Systems Frontiers, Springer, 2020 (Impact Factor: 5.9)

[13] "Sentiment Analysis of Customer Data", K. Tarnowska, Z.W. Ras, in Web Intelligence Journal, Vol. 17, Issue 4, IOS Press, 2019, 343-363

[12] "Effect of Speech Segment Samples Selection in Stutter Block Detection and Remediation", P. Arbajian, A. Hajja, Z.W. Ras, A. Wieczorkowska, Journal of Intelligent Information Systems, Springer, Vol. 53, Issue 2, 2019, 241-264 (Impact Factor: 3.4)

[11] "Extraction of actionable knowledge to reduce hospital readmissions through patients personalization", M.T. Mardini, Z.W. Ras, Information Sciences Journal, Elsevier, Vol. 485, 2019, 1-17 (Impact Factor: 8.1)

[10] "DBS decision support system based on analysis of microelectrode recorded signals as an useful tool in detection of the most beneficial electrode localization during DBS implantation", Szlufik, S., K. Ciecierski, R. Rola, T. Mandat, P. Nauman, Z. Ras, A. Przybyszewski, A. Friedman, D. Koziorowski, in Brain Stimulation, Elsevier, Vol. 8, No. 2, 2015, 396-397 (Impact Factor: 7.7)

[9] "Computer Aided Subthalamic Nucleus (STN) Localization during Deep Brain Stimulation (DBS) Surgery in Parkinson's Patients", Ciecierski, K., Mandat, T., Rola, R., Ras, Z.W., Przybyszewski, A.W., Annales Academiae Medicae Silesiensis, Vol. 68, No. 5, 2014, 275-283

[8] "Hierarchical Object-driven Action Rules", A. Hajja, Z.W. Ras, A. Wieczorkowska, Special issue on Mining Complex Patterns, A. Appice et al (Eds), Journal of Intelligent Information Systems, Springer, Vol. 42, No. 2, 2014, 207-232 (Impact Factor: 3.4)

[7] "Foundations of automatic system for intrasurgical localization of Subthalamic Nucleus in Parkinson patients", K. Ciecierski, Z.W. Ras, A. Przybyszewski, in Web Intelligence and Agent Systems, International Journal, IOS Press, Vol. 12, No. 1, 2014, 63-82

[6] "Multi-Label Automatic Indexing of Music by Cascade Classifiers", W. Jiang, Z.W. Ras, in Web Intelligence and Agent Systems, International Journal, IOS Press, Vol. 11, No. 2, 2013, 149-170

[5] "Mining Meta-actions for Action Rules Reduction", H. Touati, Z.W. Ras, Fundamenta Informaticae Journal, IOS Press, Vol. 127, No. 1-4, 2013, 225-240

[4] "Personalized Action Rules for Side Effects Object Grouping", H. Touati, J. Kuang, A. Hajja, Z.W. Ras, in the Special Issue on "Knowledge Discovery", G. Wang (Ed.), International Journal of Intelligence Science (IJIS), Scientific Research, Vol. 3, No. 1A, 2013, 24-33

[3] "From Data to Classification Rules and Actions", Z. Ras, A. Dardzinska, International Journal of Intelligent Systems, Wiley, Vol. 26, Issue 6, 2011, 572-590 (Impact Factor: 10.3)

[2] "How to Support Consensus Reaching using Action Rules: a Novel Approach", J. Kacprzyk, S. Zadrozny, Z.W. Ras, International Journal of Uncertainty, Fuzziness and Knowledge Based Systems, World Scientific, No. 18, Issue 4, 2010, 451-470 (Impact Factor: 1.37)

[1] "Action Rule Discovery From Incomplete Data", S. Im, Z.W. Ras, H. Wasyluk, in Knowledge and Information Systems Journal (KAIS), Vol. 25, No. 1, Springer, 2010, 21-33 (Impact Factor: 2.9)

26 Book Chapters (2010-2022)

[26] "Customer Churn Reduction Based on Action Rules and Collaboration", Y. Duan, Z.W. Ras, in Encyclopedia of Data Science and Machine Learning, Chapter 35, (Ed. John Wang), IGI Global, October, 2022

[25] "Machine Learning Approach to Art Authentication", T. Dobbs, Z.W. Ras, in Encyclopedia of Data Science and Machine Learning, Chapter 89, (Ed. John Wang), IGI Global, October, 2022

[24] "Personalizing Patients to Enable Shared Decision Making", M. Mardini, A. Hashky, Z.W. Ras, in Recommender Systems for Medicine and Music, (Eds. Z.W. Ras, A. Wieczorkowska, S. Tsumoto), Studies in Computational Intelligence, Vol. 946, Springer, 2021, 75-90

[23] "Recommendation Systems in Healthcare", M. Ivanova, Z.W. Ras, in Recommender Systems for Medicine and Music, (Eds. Z.W. Ras, A. Wieczorkowska, S. Tsumoto), Studies in Computational Intelligence, Vol. 946, Springer, 2021, 1-11

[22] "Art Innovative Systems for Value Tagging", L. Powell, A. Gelich, Z.W. Ras, in Encyclopedia of Organizational Knowledge, Administration, and Technologies, Chapter 80, IGI Global, 2020

[21] "Applying Analytics to Artist Provided Text to Model Prices of Fine Art", L. Powell, A. Gelich, Z.W. Ras, in Complex Pattern Mining: New Challenges, Methods and Applications, Studies in Computational Intelligence, Vol. 880, Springer, 2020, 189-211

[20] "Segment-Removal Based Stuttered Speech Remediation", P. Arbajian, A. Hajja, Z.W. Ras, A. Wieczorkowska, in "New Frontiers in Mining Complex Patterns", Post-Proceedings of NFMCP 2017, ECML/PKDD Workshop in Skopje, Macedonia, LNAI, Vol. 10785, Springer, 2018, 16-34

[19] "Can we build recommender system for artwork evaluation?", C. Pawlowski, A. Gelich, Z.W. Ras, in "Intelligent Methods and Big Data in Industrial Applications", Studies in Big Data, Vol. 40, Springer, 2018, 41-52

[18] "Visual Analysis of Relevant Features in Customer Loyalty Improvement Recommendation", K. Tarnowska, Z.W. Ras, L. Daniel, D. Fowler, in Advances in Feature Selection for Data and Pattern Recognition, Intelligent Systems Reference Library, Vol. 138, Springer, 2017, 269-293

[17] "Mining for Actionable Knowledge in Tinnitus Datasets", K.A. Tarnowska, Z.W. Ras, P.J. Jastreboff, in "Thriving Rough Sets", (Eds G. Wang, et al.), Studies in Computational Intelligence, Vol. 708, Chapter 18, Springer, 2017, 367-396

[16] "Predicting the primary medical procedure through clustering of patients' diagnoses", M. Al-Mardini, A. Hajja, Z.W. Ras, L. Clover, D. Olaleye, in "New Frontiers in Mining Complex Patterns", Post-proceedings of NFMCP 2016, ECML/PKDD Workshop in Riva del Garda, Italy, LNAI, Vol. 10312, Springer, 2017, 117-131

[15] "Predicting Negative Side Effects of Surgeries Through Clustering", Hajja, A., Touati, H., Ras, Z.W., Studnicki, J., Wieczorkowska, A., in "New Frontiers in Mining Complex Patterns", Post-proceedings of NFMCP 2014, ECML/PKDD Workshop, Nancy, France, LNAI, Vol. 8983, Springer, 2015, 41-55

[14] "Meta-Actions as a Tool for Action Rules Evaluation", Touati, H., Ras, Z.W., Studnicki, J., in Feature Selection for Data and Pattern Recognition, U. Stanczyk and L.C. Jain (Eds.), Studies in Computational Intelligence, Chapter 9, Vol. 584, Springer, 2014, 177-197

[13] "From Personalized to Hierarchically Structured Classifiers for Retrieving Music by Mood", Mostafavi, A., Ras, Z.W., Wieczorkowska, A., in "New Frontiers in Mining Complex Patterns", Post-proceedings of NFMCP 2013, ECML/PKDD Workshop, Prague, Czech Republic, LNAI, Vol. 8399, Springer, 2014, 231-245

[12] "Object-driven Action Rules", A. Hajja, Z.W. Ras, Encyclopedia of Information Science and Technology, Chapter 114, IGI Global, 2014, 1197-1206

[11] "Personalized Meta Actions", H. Touati, Z.W. Ras, in Encyclopedia of Business Analytics and Optimization, Vol. IV, John Wang (Ed.), IGI Global, 2014, 1856-1865

[10] "Discovering action rules from action reducts and their application to failed states data", E. Kielak, Z.W. Ras, Jubilee monograph devoted to A. Wakulicz-Deja, (Ed. Z. Wrobel), Silesian University of Technology Press, 2013, 143-153

[9] "Time variability-based hierarchic recognition of multiple musical instruments in recordings", E. Kubera, A. Wieczorkowska, Z.W. Ras, in Rough Sets and Intelligent Systems - Professor Zdzislaw Pawlak in Memoriam, Intelligent Systems Reference Library (ISRL), Vol. 43, Springer, 2013, 347-362

[8] "Supporting Consensus Reaching Processes under Fuzzy Preferences and a Fuzzy Majority via Linguistic Summaries and Action Rules", S. Zadrozny, J. Kacprzyk, Z.W. Ras, in Consensual Processes 2011, Studies in Fuzziness and Soft Computing, Vol. 267, Springer, 2011, 289-314

[7] "Mining tinnitus data based on clustering and new temporal features", X. Zhang, P. Thompson, Z.W. Ras, P. Jastreboff, in Learning Structure and Schemas from Documents, M. Biba, F. Xhafa (Eds.), Studies in Computational Intelligence, Vol. 375, Springer, 2011, 227-246

[6] "Multiple Classifiers for Different Features in Timbre Estimation", W. Jiang, X. Zhang, A. Cohen, Z.W. Ras, in Advances in Intelligent Information Systems, Ras, Z.W., Tsay, L.-S. (Eds), Studies in Computational Intelligence, Vol. 265, Springer, 2010, 335-356

[5] "Clustering Driven Cascade Classifiers for Multi-Indexing of Polyphonic Music by Instruments", W. Jiang, Z.W. Ras, A. Wieczorkowska, in Advances in Music Information Retrieval, Studies in Computational Intelligence, Vol. 274, Springer, 2010, 19-38

[4] "Emotion Based MIDI Files Retrieval System", J. Grekow, Z.W. Ras, in Advances in Music Information Retrieval, Studies in Computational Intelligence, Vol. 274, Springer, 2010, 261-284

[3] "Action Rules approach to solving diagnostic problems in clinical medicine", H.A. Wasyluk, Z.W. Ras, in Decision Support Systems, InTech Education and Publishing, Ger Devlin (Ed), 2010, 99-106

[2] "Identification of Musical Instruments by Features Describing Sound Changes in Time", E. Kubera, Z.W. Ras, in Advances in Intelligent Information Systems, Ras, Z.W., Tsay, L.-S. (Eds), Studies in Computational Intelligence, Vol. 265, Springer, 2010, 357-366

[1] "Cascade Classifiers for Hierarchical Decision Systems", Z.W. Ras, A. Dardzinska, W. Jiang, in Advances in Machine Learning I, J. Koronacki et al (Eds.), Studies in Computational Intelligence, Vol. 262, Springer, 2010, 247-256

33 Conference Proceedings (2010-2023)

[33] "Scalable Action Mining Hybrid Method for Enhanced User Emotions in Education and Business Domain", S. Chatterjee, A. Tzacheva, Z.W. Ras, International Journal on Cybernetics and Informatics, Vol. 13, No. 1, AIRCC Publishing Corp.

[32] "Emotion Mining and Attribute Selection for Actionable Recommendations to Improve Customer Satisfaction", J. Ranganathan, P. Rajurkar, A. Tzacheva, Z.W. Ras, Proceedings of ICKDM 2021: 15'th International Conference on Knowledge Discovery and Management, Amsterdam, Netherlands, February 08-09, 2021

[31] "The Construction of Action Rules to Raise Artwork Prices", L. Powell, A. Gelich, Z.W. Ras, in Proceedings of 2020 International Symposium on Methodologies for Intelligent Systems (ISMIS'20), Graz, Austria, LNAI, Vol. 12117, Springer, 2020, 11-22 (best paper award)

[30] "Developing Pricing Models for Online Art Sales Using Text Analytics", L. Powell, A. Gelich, Z.W. Ras, in Proceedings of 2019 International Joint Conference on Rough Sets (IJCRS'19), Debrecen, Hungary, LNAI, Vol. 11499, Springer, 2019, 480-494

[29] "Actionable Pattern Mining - a Scalable Data Distribution Method based on Information Granules", A. Bagavathi, A. Tripathi, A. Tzacheva, Z.W. Ras, in Proceedings of the 17th IEEE International Conference on Machine Learning and Applications (ICMLA 2018), IEEE, Orlando, Florida, 2018, 32-39

[28] "From Knowledge Discovery to Customer Attrition", K. Tarnowska, Z.W. Ras, in "Foundations of Intelligent Systems, Proceedings of ISMIS 2018", M. Ceci, et al. (Eds), LNAI, Vol. 11177, Springer, 2018, 417-425

[27] "Multipurpose Web-Platform for Labeling Audio Segments Efficiently and Effectively", A. Hajja, G. Hiers, P. Arbajian, Z.W. Ras, A. Wieczorkowska, in "Foundations of Intelligent Systems, Proceedings of ISMIS 2018", M. Ceci, et al. (Eds), LNAI, Vol. 11177, Springer, 2018, 179-188

[26] "SARGS method for Distributed Actionable Pattern Mining using Spark", Bagavathi, A., Mummoju, P., Tarnowska, K., Tzacheva, A., Ras, Z.W., in IEEE Big Data Proceedings: 4th International Workshop on Pattern Mining and Application of Big Data (BigPMA 2017), IEEE, Boston, MA, 2017, 4272-4281

[25] "User Friendly NPS-based Recommender System for driving Business Revenue", Z.W. Ras, K. Tarnowska, J. Kuang, L. Daniel, D. Fowler, in Proceedings of 2017 International Joint Conference on Rough Sets (IJCRS'17), LNCS, Vol. 10313, Springer, 2017, 34-48

[24] "A Supervised Model for Predicting the risk of Mortality and Hospital Readmissions for Newly Admitted Patients", M. Al-Mardini, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'17 in Warsaw, Poland, LNAI, Vol. 10352, Springer, 2017, 29-36

[23] "Reduction of Readmissions to Hospitals Based on Actionable Knowledge Discovery and Personalization", M. Al-Mardini, A. Hajja, Z.W. Ras, L. Clover, D. Olaleye, Y. Park, J. Paulson, Y. Xiao, in Beyond Databases Architectures and Structures - BDAS 2016, Conference Proceedings, (Eds. S. Kozielski, et al.), Communications in Computer and Information Science, Vol. 613, Springer, 2016, 39-55

[22] "In Search for Best Meta-Actions to Boost Businesses Revenue", Kuang, J., Ras, Z.W., in Proceedings of the Conference on Flexible Query Answering Systems 2015, in Krakow, Poland, Advances in Intelligent Systems and Computing, Vol. 400, Springer, 2015, 431-443

[21] "Frequency based mapping of the STN borders", Ciecierski, A., Ras, Z.W., Przybyszewski, A., in Foundations of Intelligent Systems, Proceedings of ISMIS 2015 in Lyon, France, LNAI, Vol. 9384, Springer, 2015, 150-159

[20] "Personalized Meta-Action Mining for NPS Improvement", Kuang, J., Ras, Z.W., Daniel, A., in Foundations of Intelligent Systems, Proceedings of ISMIS 2015 in Lyon, France, LNAI, Vol. 9384, Springer, 2015, 73-80

[19] "Hierarchical Agglomerative Method for Improving NPS", Kuang, J., Ras, Z.W., Daniel, A., in Proceedings of the International Conference on Pattern Recognition and Machine Intelligence, LNCS, Vol. 9124, Springer, 2015, 54-64

[18] "Side Efects Analysis Based On Action Sets for Medical Treatments", Touati, H., Ras, Z.W., Studnicki, J., Wieczorkowska, Proceedings of the Third ECML-PKDD Workshop on New Frontiers in Mining Complex Patterns, Nancy, France, September 15-19, 2014, 172-183

[17] "Intraoperative Decision Making with Rough Set Rules for STN DBS in Parkinson Disease", Ciecierski, K., Ras, Z.W., Przybyszewski, A.W., Proceedings of the International Conference on Brain Informatics and Health, in Warsaw, Poland, LNCS, Vol. 8609, Springer, 2014, 323-334

[16] "Hierarchically Structured Recommender System for improving NPS of a company", Kuang, J., Daniel, A., Johnston, J., Ras, Z.W., Proceedings of RSCTC 2014, in Granada, Spain, LNCS, Vol. 8536, Springer, 2014, 347-357

[15] "Spike Sorting based upon PCA over DWT Frequency Band Selection", Ciecierski, A., Ras, Z.W., Przybyszewski, A., in Foundations of Intelligent Systems, Proceedings of ISMIS 2014 in Roskilde, Denmark, LNAI, Vol. 8502, Springer, 2014, 154-163

[14] "Mining Surgical Meta-Actions Effects with Variable Diagnoses Number", Touati, H., Ras, Z.W., Studnicki, J., Wieczorkowska, A., in Foundations of Intelligent Systems, Proceedings of ISMIS 2014 in Roskilde, Denmark, LNAI, Vol. 8502, Springer, 2014, 254-263

[13] "Developing Personalized Classiifiers for Retrieving Music by Mood", Mostafavi, A., Ras, Z.W., Wieczorkowska, A., Proceedings of the Second ECML-PKDD Workshop on New Frontiers in Mining Complex Patterns, Prague, Czech Republic, September 27, 2013, 14-25

[12] "Discrimination of the micro electrode recordings for STN localization during DBS surgery in Parkinson's patients", K. Ciecierski, Z.W. Ras, A. Przybyszewski, Proceedings of FQAS 2013 in Granada, Spain, LNAI, Vol. 8132, Springer, 2013, 328-339

[11] "Pair-based Object-driven Action Rules", A. Hajja, A. Wieczorkowska, Z.W. Ras, R. Gubrynowicz, in "New Frontiers in Mining Complex Patterns", NFMCP 2012, ECML/PKDD Workshop, Bristol, United Kingdom, September, 2012, LNAI 7765, Springer, 2013, 79-93

[10] "Foundations of recommender system for STN localization during DBS surgery in Parkinson's patients", K. Ciecierski, Z.W. Ras, A. Przybyszewski, in Foundations of Intelligent Systems, Proceedings of ISMIS 2012 Symposium, LNAI, Vol. 7661, Springer, 2012, 234-243

[9] "From Music to Emotions and Tinnitus Treatment, Initial Study", D. Kohli, Z.W. Ras, P.L. Thompson, P.J Jastreboff, A. Wieczorkowska, in Foundations of Intelligent Systems, Proceedings of ISMIS 2012 Symposium, LNAI, Vol. 7661, Springer, 2012, 244-253

[8] "Object-driven Action Rules and their Application to Hypernasality Treatment", A. Hajja, A. Wieczorkowska, Z.W. Ras, R. Gubrynowicz, Proceedings of ECML-PKDD Workshop on New Frontiers in Mining Complex Patterns, Bristol, UK, September 24-28, 2012, 104-115

[7] "Report of the ISMIS 2011 Contest: Music Information Retrieval", B. Kostek, A. Kupryjanow, P. Zwan, W. Jiang, Z.W. Ras, M. Wojnarski, J. Swietlicka, in Foundations of Intelligent Systems, Proceedings of ISMIS 2011 Symposium, LNAI, Vol. 6804, Springer, 2011, 715-724

[6] "Action reducts", S. Im, Z.W. Ras, L.-S. Tsay, in Foundations of Intelligent Systems, Proceedings of ISMIS 2011 Symposium, LNAI, Vol. 6804, Springer, 2011, 62-69

[5] "Selection of the optimal electrode in Parkinson's disease DBS treatment", K. Ciecierski, Z.W. Ras, A. Przybyszewski, in Foundations of Intelligent Systems, Proceedings of ISMIS 2011 Symposium, LNAI, Vol. 6804, Springer, 2011, 554-564

[4] "Recognition of instrument timbres in real polytimbral audio recordings", E. Kubera, A. Wieczorkowska, Z.W. Ras, M. Skrzypiec, in Proceedings of 2010 ECML/PKDD Conference, LNCS, Springer, 2010, 97-110

[3] "From Tinnitus Data to Action Rules and Tinnitus Treatment", X. Zhang, Z.W. Ras, P.J. Jastreboff, P.L. Thompson, in Proceedings of 2010 IEEE Conference on Granular Computing, Silicon Valley, CA, IEEE Computer Society, 2010, 620-625

[2] Association Action Rules and Action Paths Triggered by Meta-Actions", A. Tzacheva, Z.W. Ras, in Proceedings of 2010 IEEE Conference on Granular Computing, Silicon Valley, CA, IEEE Computer Society, 2010, 772-776

[1] "Blind Music Timbre Source Isolation by Multi-resolution Comparison of Spectrum Signatures", X. Zhang, W. Jiang, Z.W. Ras, R. Lewis, in Proceedings of the Seventh International Conference on Rough Sets and Current Trends in Computing (RSCTC 2010), LNAI, Vol. 6086, Springer, 2010, 610-619

Papers 2009

"On Reaching Consensus by a Group of Collaborating Agents", Z. Ras, A. Dardzinska, in Proceedings of the Eighth International Conference on Flexible Query Answering Systems (FQAS'09), (Eds. T. Andreasen et al), LNAI, Vol. 5822, Springer, 2009, 583-592

"Detecting Emotion in Classical Music from MIDI Files", J. Grekow, Z. Ras, in Foundations of Intelligent Systems, Proceedings of ISMIS'09, (Eds. J. Rauch et al), LNAI, Vol. 5722, Springer, 2009, 261-270

"Action Rules Discovery based on Tree Classifiers and Meta-Actions", Z. Ras, A. Dardzinska, in Foundations of Intelligent Systems, Proceedings of ISMIS'09, (Eds. J. Rauch et al), LNAI, Vol. 5722, Springer, 2009, 66-75

"Action Rules in Consensus Reaching Process Support", J. Kacprzyk, Z.W. Ras, S. Zadrozny, Proceedings of 9th International Conference on Intelligent Systems Design and Applications (ISDA'09), in Pisa, Italy, IEEE Computer Society, 2009, 827-832

"Cooperative multi-hierarchical query answering systems", Z.W. Ras, A. Dardzinska, in Encyclopedia of Complexity and Systems Science, R.A. Meyers (E-in-C), Springer, 2009, Entry 789

"Polyphonic Music Information Retrieval based on Multi-label Cascade Classification System", W. Jiang, A. Cohen, Z.W. Ras, in Advances in Information and Intelligent Systems, Ras, Z.W., Ribarsky, W (Eds), in Studies in Computational Intelligence, Vol. 251, Springer, 2009, 117-137

"Tree-based Algorithms for Action Rules Discovery", Z.W. Ras, L.-S. Tsay, A. Dardzinska, in "Mining Complex Data", D. Zighed et al. (Eds.), Studies in Computational Intelligence, Vol. 165, Springer, 2009, 153-163

"Music Instrument Estimation in Polyphonic Sound Based on Short-Term Spectrum Match", W. Jiang, A. Wieczorkowska, Z.W. Ras, in "Foundations of Computational Intelligence Volume 2", A.-E. Hassanien et al (Eds.), Studies in Computational Intelligence, Vol. 202, Springer, 2009, 259-273

"Mining Chordal Semantics in a Non-Tagged Music Industry Database", R. Lewis, A. Cohen, W. Jiang, Z.W. Ras, "Recent Advances in Intelligent Information Systems", Proceedings of IIS'09, Academic Publishing House EXIT, Warsaw, Poland, 2009, 473–483

"SEWEBAR Tinnitus – Project Presentation", Rauch, J., Ras, Z., Chudan, D., Jiang, W., Kliegr, T., Nemrava, J., Ralbovsky, M., Svatek, V., Simunek, M., Thompson, P., Zhang, X., in Proceedings of the Conference Znalosti 2009, Brno, Czech Republic

"Mining Tinnitus Database for Knowledge", P. Thompson, X. Zhang,  W. Jiang, Z.W. Ras, P. Jastreboff, in Data Mining and Medical Knowledge Management: Cases and Applications, (Eds: P. Berka, J. Rauch, D. Zighed), IGI Global, 2009, 293-306

Papers 2008

"Harmonic Blind Sound Source Isolation Enhanced by Spectrum Clustering", X. Zhang, W. Jiang, Z.W. Ras, IEEE/ICDM Workshop on Mining Complex Data (MCD 2008), Pisa, Italy, ICDM Workshops Proceedings, IEEE Computer Society, 2008, 310-319

"Reclassification Rules", L.-S. Tsay, Z.W. Ras, S. Im, IEEE/ICDM Workshop on Foundations of Data Mining (FDM 2008), Pisa, Italy, ICDM Workshops Proceedings, IEEE Computer Society, 2008, 619-627

"Association Action Rules", Z.W. Ras, A. Dardzinska, L.-S. Tsay, H. Wasyluk, IEEE/ICDM Workshop on Mining Complex Data (MCD 2008), Pisa, Italy, ICDM Workshops Proceedings, IEEE Computer Society, 2008, 283-290

"Hierarchical Tree for Dissemination of Polyphonic Noise", R. Lewis, W. Jiang, A. Cohen, Z.W. Ras, in Proceedings of RSCTC 2008 Conference, in Akron, Ohio, LNAI 5306, Springer, 2008, 448-456

"Action Rules Discovery without pre-existing classification rules", Z.W. Ras, A. Dardzinska, in Proceedings of RSCTC 2008 Conference, in Akron, Ohio, LNAI 5306, Springer, 2008, 181-190

"Application of Action Rules to HEPAR Clinical Decision Support System", H. Wasyluk, Z.W. Ras, E. Wyrzykowska, in "Experimental and Clinical Hepatology", Medical Science International Publishing, Polish Association for the Study of the Liver, Vol. 4, No. 2, 2008, 46-48

"Mining scalar representations in a non-tagged music database", R. Lewis, W. Jiang, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'08, A. An et al. (Eds.), Toronto, Canada, LNAI, Vol. 4994, Springer, 2008, 445-454

"Multi-Granularity Classification Rule Discovery Using ERID", S. Im, Z. W. Ras, L.-S. Tsay, in "Proceedings of the Conference on Rough Sets and Knowledge Technology (RSKT 2008)", in Chengdu, P.R. China, LNAI, Vol. 5009, Springer, 2008, 491-499

"Action rule extraction from a decision table: ARED", S. Im, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'08, A. An et al. (Eds.), Toronto, Canada, LNAI, Vol. 4994, Springer, 2008, 160-168

"Discovering the concise set of actionable patterns", L.-S. Tsay, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'08, A. An et al. (Eds.), Toronto, Canada, LNAI, Vol. 4994, Springer, 2008, 169-178

"Training of Classifiers for the Recognition of a Musical Instrument Dominating in the Same-Pitch Mix", A. Wieczorkowska, E. Kolczynska, Z.W. Ras, in "New Challenges in Applied Intelligence Technologies", Studies in Computational Intelligence, Springer, Vol. 134, 2008, 213-222

"Discriminant Feature Analysis for Music Timbre Recognition and Automatic Indexing", X. Zhang, Z.W. Ras, A. Dardzinska, in "Mining Complex Data", Post-Proceedings of 2007 ECML/PKDD Third International Workshop (MCD 2007), LNAI, Vol. 4944, Springer, 2008, 104-115

"ARAS: Action Rules discovery based on Agglomerative Strategy", Z.W. Ras, E. Wyrzykowska, H. Wasyluk, in "Mining Complex Data", Post-Proceedings of 2007 ECML/PKDD Third International Workshop (MCD 2007), LNAI, Vol. 4944, Springer, 2008, 196-208

"Intelligent Query Answering", Z.W. Ras, A. Dardzinska, in Encyclopedia of Data Warehousing and Mining - 2nd Edition, John Wang (Ed.), Idea Group, Inc, 2008, Vol. II, 1073-1078

"Action rules mining", Z.W. Ras, E. Wyrzykowska, L.-S. Tsay, in Encyclopedia of Data Warehousing and Mining - 2nd Edition, John Wang (Ed.), Idea Group, Inc, 2008, Vol. I, 1-5

"Facial recognition", R. Lewis, Z.W. Ras, in Encyclopedia of Data Warehousing and Mining - 2nd Edition, John Wang (Ed.), Idea Group, Inc, 2008, Vol. II, 857-862

"Data Confidentiality and Chase-Based Knowledge Discovery", S. Im, Z.W. Ras, in Encyclopedia of Data Warehousing and Mining - 2nd Edition, John Wang (Ed.), Idea Group, Inc, 2008, Vol. I, 361-366

"Automatic Music Timbre Indexing", X. Zhang, Z.W. Ras, in Encyclopedia of Data Warehousing and Mining - 2nd Edition, John Wang (Ed.), Idea Group, Inc, 2008

"Mining e-Action Rules, System DEAR", Z.W. Ras, L.-S. Tsay, in "Data Mining: Foundations and Practice", Studies in Computational Intelligence, T.Y. Lin et al. (Eds.), Vol. 118, Springer, 2008, 289-298

"E-Action Rules", L.-S. Tsay, Z.W. Ras, in "Data Mining: Foundations and Practice", Studies in Computational Intelligence, T.Y. Lin et al. (Eds.), Vol. 118, Springer, 2008, 277-288

Papers 2007

"Cooperative answering of queries based on hierarchical decision attributes", Z.W. Ras, A. Dardzinska, X. Zhang, in CAMES Journal, Polish Academy of Sciences, Institute of Fundamental Technological Research, Vol. 14, No. 4, 2007, 729–736

"Discriminant feature analysis for music timbre recognition", Zhang, X., Ras, Z., in Proceedings of 2007 ECML/PKDD Third International Workshop on Mining Complex Data (MCD 2007), Univ. of Warsaw, Poland, 2007, 59-70

"ARoGS: Action rules discovery based on grabbing strategy and LERS", Ras, Z., Wyrzykowska, E., in Proceedings of 2007 ECML/PKDD Third International Workshop on Mining Complex Data (MCD 2007), Univ. of Warsaw, Poland, 2007, 95-105

"From Mining Tinnitus Database to Tinnitus Decision-Support System, Initial Study", P. Thompson, X. Zhang, W. Jiang, Z.W. Ras, in the Proceedings of IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2007), IEEE Computer Society, San Jose, Calif., 2007, 203-206

"MIRAI: Multi-hierarchical Music Automatic Indexing and Retrieval System", (Invited Paper), Z.W. Ras, X. Zhang, in Proceedings of the Conference on Technologies for Data Processing (KKNTPD'07), September 24-26, 2007, Poznan Univ. of Technology, Poland, 11-22

"Data Security and Chase", Z.W. Ras, S. Im, in Encyclopedia of Information Ethics and Security, Marian Quigley (Ed.), IGI Global, June, 2007, 114-120

"Multi-way Hierarchic Classification of Musical Instrument Sounds", A. Wieczorkowska, Z.W. Ras, X. Zhang, Lewis, R., in "Proceedings of the International Conference on Multimedia and Ubiquitous Engineering (MUE 2007)", IEEE Computer Society, April 26-28, 2007, in Seoul, South Korea, 897-902

"Maximum Likelihood Study for Sound Pattern Separation and Recognition", X. Zhang, K. Marasek, Z.W. Ras, in "Proceedings of the International Conference on Multimedia and Ubiquitous Engineering (MUE 2007)", IEEE Computer Society, April 26-28, 2007, in Seoul, South Korea, 807-812

"Analysis of Sound Features for Music Timbre Recognition", (Invited Paper), X. Zhang, Z.W. Ras, in "Proceedings of the International Conference on Multimedia and Ubiquitous Engineering (MUE 2007)", IEEE Computer Society, April 26-28, 2007, in Seoul, South Korea, 3-8

"Rules for Processing and Manipulating Scalar Music Theory", Lewis, R., Z.W. Ras, in "Proceedings of the International Conference on Multimedia and Ubiquitous Engineering (MUE 2007)", IEEE Computer Society, April 26-28, 2007, in Seoul, South Korea, 819-824

"Protection of Sensitive Data based on Reducts in a Distributed Knowledge Discovery System", S. Im, Z.W. Ras, in "Proceedings of the International Conference on Multimedia and Ubiquitous Engineering (MUE 2007)", IEEE Computer Society, April 26-28, 2007, in Seoul, South Korea, 762-766

"MIRAI: Multi-hierarchical, FS-tree based Music Information Retrieval System", (Invited Paper), Z.W. Ras, X. Zhang, Lewis, R., in "Proceedings of RSEISP 2007", M. Kryszkiewicz et al. (Eds), LNAI, Vol. 4585, Springer, 80-89

"Data Confidentiality versus Chase", Z.W. Ras, O. Gurdal, S. Im, A. Tzacheva, in "Proceedings of the Joint Rough Sets Symposium (JRS07)", May 14-16, 2007, in Toronto, Canada, LNAI, Vol. 4482, Springer, 330-337

"Constraint Based Action Rule Discovery with Single Classification Rules", A. Tzacheva, Z.W. Ras, in "Proceedings of the Joint Rough Sets Symposium (JRS07)", May 14-16, 2007, in Toronto, Canada, LNAI, Vol. 4482, Springer, 322-329

"Extended Action Rule Discovery Based on Single Classification Rules and Reducts", Z.W. Ras, E. Wyrzykowska, in "Rough Computing: Theories, Technologies and Applications", A.E. Hassanien, Z. Suraj, D. Slezak, P. Lingras (Eds.), IGI Global, 2007, 175-184

"Knowledge Discovery Based Identification of Musical Pitches and Instruments in Polyphonic Sounds", Lewis, R., Zhang, X., Ras, Z.W., in the Special Issue on “Soft Computing Applications”, Journal of Engineering Applications of Artificial Intelligence, Elsevier, Vol. 20, No. 5, 2007, 637-645

"Sound Isolation by Harmonic Peak Partition for Music Instrument Recognition", X. Zhang, Z.W. Ras, in the Special Issue on Knowledge Discovery, Fundamenta Informaticae Journal, IOS Press, Vol. 78, No. 4, 2007, 613-628

Papers 2006

"Action Rules Discovery System DEAR3", L.-S. Tsay, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'06, F. Esposito et al. (Eds.), Bari, Italy, LNAI, No. 4203, Springer, 2006, 483-492

"Blind Signal Separation of Similar Pitches and Instruments in a Noisy Polyphonic Domain", R. Lewis, X. Zhang, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'06, F. Esposito et al. (Eds.), Bari, Italy, LNAI, No. 4203, Springer, 2006, 228-237

"Action Rules Discovery, a new simplified strategy", Z.W. Ras, A. Dardzinska, in "Foundations of Intelligent Systems", Proceedings of ISMIS'06, F. Esposito et al. (Eds.), Bari, Italy, LNAI, No. 4203, Springer, 2006, 445-453

"Data Security versus Knowledge Loss", Z.W. Ras, A. Dardzinska, S. Im, O. Gurdal, Invited paper, in the Proceedings of Artificial Intelligence Studies, Publishing House of University of Podlasie, Vol. 3, No. 26, 2006, 5-11

"Solving Failing Queries through Cooperation and Collaboration", Z.W. Ras, A. Dardzinska , Special Issue on Web Resources Access, (Editor: M.-S. Hacid), in World Wide Web Journal, Springer, Vol. 9, No. 2, 2006, 173-186

"Cooperative discovery of interesting action rules", A. Dardzinska, Z.W. Ras, in the Proceedings of FQAS 2006 Conference, Milano, Italy, (Eds. H.L. Larsen et al.), Springer, LNAI 4027, 2006, 489-497

"Discovering E-Action Rules from Incomplete Information Systems", L.-S. Tsay, Z.W. Ras, in Proceedings of IEEE International Conference on Granular Computing (IEEE GrC 2006), May 10-12, 2006, Atlanta, Georgia, 518-521

"Differentiated Harmonic Feature Analysis on Music Information Retrieval For Instrument Recognition", X. Zhang, Z.W. Ras, in Proceedings of IEEE International Conference on Granular Computing (IEEE GrC 2006), May 10-12, 2006, Atlanta, Georgia, 578-581

"Extracting Rules from Incomplete Decision Systems: System ERID", A. Dardzinska , Z.W. Ras, in Foundations and Novel Approaches in Data Mining, (Eds. T.Y. Lin, S. Ohsuga, C.J. Liau, X. Hu), Studies in Computational Intelligence, Vol. 9, Springer, 2006, 143-154

"Multi-label classification of emotions in music", A. Wieczorkowska, P. Synak, Z.W. Ras, in "Intelligent Information Processing and Web Mining", Advances in Soft Computing, Proceedings of IIS 2006 Symposium, Ustron, Poland, Springer, Vol. 35, 2006, 307-315

Papers 2005

"Building a security-aware query answering system based on hierarchical data masking", S. Im, Z.W. Ras, A. Dardzinska, in "Computational Intelligence in Data Mining", Proceedings of 2005 IEEE ICDM Workshop in Houston, Texas, Published by Math. Dept., Saint Mary's Univ., Nova Scotia, Canada, 2005, 55-62

"Mining E-Action Rules", L.-S. Tsay, Z.W. Ras, A. Dardzinska, in "Mining Complex Data", Proceedings of 2005 IEEE ICDM Workshop in Houston, Texas, Published by Math. Dept., Saint Mary's Univ., Nova Scotia, Canada, 2005, 85-90

"SCIKD: Safeguarding Classified Information from Knowledge Discovery", S. Im, Z.W. Ras, A. Dardzinska, in "Foundations of Semantic Oriented Data and Web Mining", Proceedings of 2005 IEEE ICDM Workshop in Houston, Texas, Published by Math. Dept., Saint Mary's Univ., Nova Scotia, Canada, 2005, 34-39

"KD-Chase based query answering for hierarchical information systems", Z. Ras, A. Dardzinska , in the Proceedings of the CS&P 2005 Workshop in Ruciane-Nida, Poland, (Ed. L. Czaja), Warsaw University, Vol. 2, 2005, 445-454

"Ensuring Data Security against Knowledge Discovery in Distributed Information Systems", S. Im , Z.W. Ras, in the Proceedings of the Tenth International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing (RSFDGrC'05), LNAI 3642, Springer, 2005, 548-557

"Knowledge Discovery Based Query Answering in Hierarchical Information Systems", Z.W. Ras, A. Dardzinska and O. Gurdal, in the Proceedings of the Tenth International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing (RSFDGrC'05), LNAI 3642, Springer, 2005, 221-230

"Mining for Interesting Action Rules", Z.W. Ras, A. Tzacheva, L.-S. Tsay, and O. Gurdal, in the Proceedings of IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2005), Compiegne University of Technology, France, 2005, 187-193

"Collaboration and Distributed Chase", A. Dardzinska, Z.W. Ras, Issues in Soft Computing Theory and Applications, Akademicka Oficyna Wydawnicza Exit, 2005, 119-130

"CHASE-2: Rule based chase algorithm for information systems of type lambda", A. Dardzinska , Z.W. Ras, in the Postproceedings of the Second International Workshop on Active Mining (AM'2003), Maebashi City, Japan, (Eds. S. Tsumoto et al.), LNAI, No. 3430, Springer, 2005, 258-270

"Solving failing queries through cooperation and collaboration", Z.W. Ras, A. Dardzinska , in "Foundations of Intelligent Systems", Proceedings of ISMIS'05, M.-S. Hacid et al. (Eds.), Saratoga Springs, New York, LNAI, No. 3488, Springer, 2005, 152-160

"Extracting emotions from music data", A. Wieczorkowska, P. Synak, R. Lewis, Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'05, M.-S. Hacid et al. (Eds.), Saratoga Springs, New York, LNAI, No. 3488, Springer, 2005, 456-465

"New methodology of facial recognition, Part I", R.A. Lewis , Z.W. Ras, in Intelligent Information Processing and Web Mining, Advances in Soft Computing, Proceedings of the IIS'2005 Symposium, Gdansk, Poland, Springer, 2005, 615-624

"New methodology of facial recognition, Part II", R.A. Lewis , Z.W. Ras, in Intelligent Information Processing and Web Mining, Advances in Soft Computing, Proceedings of the IIS'2005 Symposium, Gdansk, Poland, Springer, 2005, 625-632

"Data security against knowledge discovery in distributed information systems", invited paper, Z. W. Ras, S. Im , in Technologies for Data Processing, Proceedings of the First National Conference, T. Morzy, H. Rybinski (Eds.), Poznan, Poland, Poznan Technical University Publisher, 2005, 11-12

"Creating reliable database for experiments on extracting emotions", A. Wieczorkowska, P. Synak, R.A. Lewis, Z.W. Ras, in Intelligent Information Processing and Web Mining, Advances in Soft Computing, Proceedings of the IIS'2005 Symposium, Gdansk, Poland, Springer, 2005, 395-404

"Intelligent query answering", Z.W. Ras, A. Dardzinska , in Encyclopedia of Data Warehousing and Mining, (Ed. J. Wang), Idea Group Inc., 2005, 639-643

"Action rules discovery: System DEAR2, method and experiments", L.-S. Tsay, Z.W. Ras, in the Special Issue on Knowledge Discovery, Journal of Experimental and Theoretical Artificial Intelligence, Taylor & Francis, Vol. 17, No. 1-2, 2005, 119-128

"Action rules", Z.W. Ras, A. Tzacheva and L.-S. Tsay, in Encyclopedia of Data Warehousing and Mining, (Ed. J. Wang), Idea Group Inc., 2005, 1-5

"Action rules mining", A. Tzacheva, Z.W. Ras, in the Special Issue on Knowledge Discovery, International Journal of Intelligent Systems, Wiley, Vol. 20, No. 7, 2005, 719-736

"Data security and null value imputation in distributed information systems", Z.W. Ras, A. Dardzinska , in "Monitoring, Security and Rescue Techniques in Multiagent Systems", Advances in Soft Computing , Springer, 2005, 133-146

"In search for action rules of the lowest cost", Z.W. Ras, A. Tzacheva, in "Monitoring, Security and Rescue Techniques in Multiagent Systems", Advances in Soft Computing , Springer, 2005, 261-272

"Do we need automatic indexing of musical instruments?", A. Wieczorkowska , Z.W. Ras, Proceedings of the International Workshop on Intelligent Media Technology for Communicative Intelligence, Warsaw, Poland, LNCS, Vol. 3490, Springer, 2005, 239-248

Papers 2004

"Actionability as objective measure of rules interestingness", with L.-S. Tsay, A. Wieczorkowska, in the Proceedings of ICDM'04 Workshop on Foundations of Data Mining, (Eds. T.Y. Lin, S. Smale, T. Poggio, C.J. Liau), Brighton, UK, IEEE Computer Society, 2004, 137-142

"Query answering based on collaboration and chase", with A. Dardzinska , in the Proceedings of FQAS'04 Conference, Lyon, France, LNCS/LNAI, No. 3055, Springer, 2004, 125-136

"Data security and null value imputation in distributed information systems", (Invited Paper), with A. Dardzinska , in Proceedings of the International Workshop on Monitoring, Security and Rescue Techniques in Multiagent Systems, University of Warsaw, 2004, 83-96

"System ADReD for Discovering Rules based on Hyperplanes", with A. Dardzinska and X. Liu, in the Special Issue on Selected Problems in Knowledge Representation, International Journal of Engineering Applications of Artificial Intelligence, Vol. 17, No. 4, Elsevier, 2004, 401-406

"Tree-based algorithm for discovering extended action-rules (System DEAR2)", with L.-S. Tsay and A. Wieczorkowska, in "Intelligent Information Processing and Web Mining", Advances in Soft Computing , Proceedings of the IIS'2004 Symposium, Zakopane, Poland, Springer, 2004, 459-464

"Rule discovery by axes-driven hyperplanes construction", with A. Dardzinska and X. Liu , in "Intelligent Information Processing and Web Mining", Advances in Soft Computing , Proceedings of the IIS'2004 Symposium, Zakopane, Poland, Springer, 2004, 535-546

"Ontology Based Distributed Autonomous Knowledge Systems", with A. Dardzinska , in the Special Issue on Web-Universal Integration, Information Systems International Journal, Elsevier, Vol. 29, No. 1, 2004, 47-58

Papers 2003

"How to increase support of rules to be discovered from DB", with A. Dardzinska , in the Proceedings of the Symposium on Methods of AI (AI-METH2003), Silesian University of Technology, Gliwice, Poland, November 2003, 123-128

"Rule-based Chase algorithm for partially incomplete information systems", with A. Dardzinska , in the Proceedings of the Second International Workshop on Active Mining (AM'2003), Maebashi City, Japan, October, 2003, 42-51

"Knowledge-Discovery Based Flexible Query Answering Systems", ICS PAS Reports, No. 963, Warsaw, Poland, October, 2003

"Chasing Unknown Values in Incomplete Information Systems", with A. Dardzinska , in the Proceedings of ICDM'03 Workshop on Foundations and New Directions of Data Mining, (Eds: T.Y. Lin, X. Hu, S. Ohsuga, C. Liau), Melbourne, Florida, IEEE Computer Society, 2003, 24-30

"On Rule Discovery from Incomplete Information Systems", with A. Dardzinska , in the Proceedings of ICDM'03 Workshop on Foundations and New Directions of Data Mining, (Eds: T.Y. Lin, X. Hu, S. Ohsuga, C. Liau), Melbourne, Florida, IEEE Computer Society, 2003, 31-35

"Representing audio data by FS-trees and Adaptable TV-trees", with A. Wieczorkowska and L.-S. Tsay, in "Foundations of Intelligent Systems", Proceedings of ISMIS'03 Symposium, Maebashi City, Japan, LNAI, Springer-Verlag, No. 2871, 2003, 135-142

"Editorial - Music information retrieval", with A. Wieczorkowska, Journal of Intelligent Information Systems, Vol. 21, No. 1, Kluwer, 2003, 5-8

"Discovering extended action-rules, System DEAR", with L.-S. Tsay , in "Intelligent Information Systems 2003", Advances in Soft Computing, Proceedings of the IIS'2003 Symposium, Zakopane, Poland, Springer, 2003, 293-300

"Discovering semantic incosistencies to improve action rules mining", with A.A. Tzacheva , in "Intelligent Information Systems 2003", Advances in Soft Computing , Proceedings of the IIS'2003 Symposium, Zakopane, Poland, Springer, 2003, 301-310

"Discovering non-standard semantics of semi-stable attributes", with A.A. Tzacheva , in "Proceedings of FLAIRS-2003", St. Augustine, Florida, (Eds. I. Russell, S. Haller), AAAI Press, 2003, 330-334

"The Wisdom Web: New Challenges for Web Intelligence", with J. Liu , N. Zhong , Y. Yao , Journal of Intelligent Information Systems, Vol. 20, No. 1, Kluwer, 2003, 5-9

Papers 2002

"Handling semantic inconsistencies in query answering based on distributed knowledge mining", with A. Dardzinska , in Special Issue on Intelligent IT (Eds. N. Zhong, J. Liu, P. Wang) International Journal of Pattern Recognition and Artficial Intelligence , World Scientific, Vol. 16, No. 8, 2002, 1087-1099

"Collaborative query processing in DKS controlled by reducts", with A. Dardzinska , in "Rough Sets and Current Trends in Computing", Proceedings of RSCTC'02 Symposium, (Eds. J. Alpigini, J. Peters, A. Skowron, N. Zhong), LNCS/LNAI, Vol. 2475, Springer-Verlag, 2002, 189-196

"Global action rules in distributed knowledge systems", with S. Gupta, in CS&P 2001 Special Issue (Eds. L. Czaja, H.-D. Burkhard, P. Starke), Fundamenta Informaticae Journal, IOS Press, Vol. 51, No. 1-2, 2002, 175-184

"Action rules, re-classification of objects and e-commerce", with S. Gupta, in "Intelligent Information Systems 2002", Advances in Soft Computing , Proceedings of the IIS'2002 Symposium, Sopot, Poland, Physica-Verlag, Springer, 2002, 101-108

"Handling semantic incosistencies in distributed knowledge systems using ontologies", with A. Dardzinska, in "Foundations of Intelligent Systems", Proceedings of ISMIS'02 Symposium, Lyon, France, LNAI, Vol. 2366, Springer-Verlag, 2002, 66-74

"Reducts-driven query answering for distributed knowledge systems", in Special Issue on Rough Sets Approach to Knowledge Discovery (Eds. J.F. Peters, A. Skowron), International Journal of Intelligent Systems, John Wiley & Sons, Vol. 17, No. 2, 2002, 113-124

Papers 2001

"Query answering based on distributed knowledge mining", Z.W. Ras, in "Intelligent Agent Technology, Research and Development", (Eds. N. Zhong, J. Liu, S. Ohsuga, J. Bradshaw), Proceedings of IAT'01, Maebashi City, Japan, World Scientific Publishers, 2001, 17-27 (Invited Paper)

"Audio content description in sound databases", Z.W. Ras, A. Wieczorkowska, in "Web Intelligence: Research and Development", (Eds. N. Zhong, Y. Yao, J. Liu, S. Ohsuga), Proceedings of WI'01, Maebashi City, Japan, LNAI 2198, Springer, 2001, 175-183

"Action-rules: the role of attributes in flexible object classification", Z.W. Ras, S. Gupta , in "Proceedings of the Workshop on Concurrency Specification and Programming", University of Warsaw, Poland, October 3-5, 2001, 210-217

"Indexing audio databases with musical information", A. Wieczorkowska , Z.W. Ras, in "Proceedings of SCI'01", Volume 10, Orlando, Florida, July 22-25, 2001, 279-285

"The role of support and confidence in collaborative query answering", Z.W. Ras, in "Intelligent Information Systems", Advances in Soft Computing, Proceedings of the Tenth International Conference, IIS'2001, Zakopane, Poland, Physica-Verlag, Springer, 2001, 221-226

Papers [1996-2000]

"Query answering in DAKS based on reducts", Z.W. Ras, in "Flexible Query Answering Systems", Advances in Soft Computing, Proceedings of the Fourth International Conference, FQAS'2000, Warsaw, Poland, Physica-Verlag, Springer, 2000, 117-127

"Foundations and discovery of operational definitions", Z.W. Ras, in "Foundations of Intelligent Systems", Proceedings of ISMIS'00, Lecture Notes in Artificial Intelligence, No. 1932, Springer-Verlag, 2000, 582-590

"Action-rules: how to increase profit of a company", Z.W. Ras, A. Wieczorkowska , in "Principles of Data Mining and Knowledge Discovery", (Eds. D.A. Zighed, J. Komorowski, J. Zytkow), Proceedings of PKDD'00, Lyon, France, LNAI, No. 1910, Springer, 2000, 587-592

"Mining for attribute definitions in a distributed two-layered DB system", with J.M. Zytkow , Journal of Intelligent Information Systems, Kluwer, Vol. 14, No. 2/3, 2000, 115-130

"Mining for action-rules in large decision tables classifying customers", with A. Wieczorkowska, in "Intelligent Information Systems", Advances in Soft Computing, Proceedings of the IIS'2000 Symposium, Bystra, Poland, Physica-Verlag, Springer, 2000, 55-64

"Discovering rules in information trees" , in "Principles of Data Mining and Knowledge Discovery", (Eds. J. Zytkow, J. Rauch), Proceedings of PKDD'99, Prague, Czech Republic, LNAI, No. 1704, Springer, 1999, 518-523

"Mining distributed databases for attribute definitions" , with J.M. Zytkow, in "Data Mining and Knowledge Discovery: Theory, Tools, and Technology", Proceedings of SPIE, Orlando, April 5-6, 1999, Vol. 3695, 171-178

"Discovery of equations and the shared operational semantics in distributed autonomous databases" , with J.M. Zytkow, in "Methodologies for Knowledge Discovery and Data Mining", (Eds. N. Zhong, L. Zhou), Proceedings of PAKDD'99, Beijing, China, LNAI, No. 1574, Springer, 1999, 453-463

"Intelligent query answering in DAKS" , in "Knowledge Management in Fuzzy Databases", (Eds. O. Pons, M.A. Vila, J. Kacprzyk), Physica-Verlag, Springer, 1999, 159-170

"Handling queries in incomplete CKBS through knowledge discovery" , in "Rough Sets and Current Trends in Computing", Proceedings of RSCTC'98, LNCS, No. 1424, Springer-Verlag, 1998, pp. 194-201

"Knowledge discovery objects and queries in distributed knowledge systems" , Z.W. Ras, J. Zheng, in "Artificial Intelligence and Symbolic Computation", Proceedings of AISC'98, LNAI, No. 1476, Springer, 1998, pp. 259-269

"Maintaining soundness of rules in distributed knowledge systems", Z.W. Ras, A. Bergmann, in Proceedings of the Workshop on Intelligent Information Systems, IIS-98, Malbork, Poland, June 15-19, 1998, Polish Academy of Sciences, pp. 29-38

"Answering non-standard queries in distributed knowledge-based systems" , Z.W. Ras, in Rough Sets in Knowledge Discovery (Eds. A. Skowron, L. Polkowski), Studies in Fuzziness and Soft Computing, Vol. 2, Physica Verlag, 1998, pp. 98-108

"Resolving queries through cooperation in multi-agent systems", Z.W. Ras, in Rough Sets and Data Mining (Eds. T.Y. Lin, N. Cercone), Kluwer Academic Publishers, 1997, pp. 239-258

"Query approximate answering system for an incomplete DKBS" , Z.W. Ras, S. Joshi, Fundamenta Informaticae Journal, IOS Press, Vol. 30, No. 3/4, 1997, 313-324

"Collaboration control in distributed knowledge-based systems", Z.W. Ras, Information Sciences Journal, Elsevier, Vol. 96, No. 3/4, 1997, pp. 193-205

"Cooperative Knowledge-based Systems", Z.W. Ras, An International Journal on Intelligent Automation and Soft Computing, Autosoft Press, Vol. 2, No. 2, 1996, pp. 193-202