Andrzej Wójtowicz

Andrzej Wójtowicz
degree: M.Sc.
position: Ph.D. student
office hours: Tuesday: 12:00-13:00
Friday 17:00-18:00
e-mail: andre@amu.edu.pl
phone: +48618295346
address: Umultowska 87, 61-614 Poznań
room B4-18


Publications:

  1. Żywica, P., Dyczkowski, K., Wójtowicz, A., Stachowiak, A., Szubert, S., & Moszyński, R. (2016).
    Development of a fuzzy-driven system for ovarian tumor diagnosis.
    Biocybernetics and Biomedical Engineering, 36(4), 632-643.
    doi:10.1016/j.bbe.2016.08.003 [accepted manuscript]


  2. Szubert, S., Wójtowicz, A., Moszyński, R., Żywica, P., Dyczkowski, K., Stachowiak, A., Sajdak, S., Szpurek, D., & Alcázar, J. L. (2016).
    External validation of the IOTA ADNEX model performed by two independent gynecologic centers.
    Gynecologic Oncology, 142(3), 490–495.
    doi:10.1016/j.ygyno.2016.06.020 [response to letter concerning validation]


  3. Wójtowicz, A., Żywica, P., Stachowiak, A., & Dyczkowski, K. (2016).
    Solving the problem of incomplete data in medical diagnosis via interval modeling.
    Applied Soft Computing, 47, 424-437.
    doi:10.1016/j.asoc.2016.05.029 [accepted manuscript | project description & source code]


  4. Stachowiak, A., Dyczkowski, K., Wójtowicz, A., Żywica, P., & Wygralak M. (2016).
    A Bipolar View on Medical Diagnosis in OvaExpert System.
    In T. Andreasen, H. Christiansen, J. Kacprzyk, H. Larsen, G. Pasi, O. Pivert, G. De Tré, A. M. Vila, A. Yazici & S. Zadrożny (Eds.), Flexible Query Answering Systems 2015: Proceedings of the 11th International Conference FQAS 2015, Cracow, Poland, October 26-28, 2015 (Advances in Intelligent Systems and Computing, Vol. 400, pp. 483-492). Cham, Switzerland: Springer International Publishing.
    doi:10.1007/978-3-319-26154-6_37 [accepted manuscript]


  5. Żywica, P., Wójtowicz, A., Stachowiak, A., & Dyczkowski, K. (2015).
    Improving medical decisions under incomplete data using interval–valued fuzzy aggregation.
    In J. M. Alonso, H. Bustince & M. Reformat (Eds.), Proceedings of the 2015 Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology (Advances in Intelligent Systems Research, Vol. 89, pp. 577-584). Amsterdam, Netherlands: Atlantis Press.
    doi:10.2991/ifsa-eusflat-15.2015.83 [open access]


  6. Wójtowicz, A., Żywica, P., Stachowiak, A., & Dyczkowski, K. (2015).
    Interval-valued aggregation as a tool to improve medical diagnosis.
    In M. Baczyński, B. De Baets & R. Mesiar (Eds.), Proceedings of 8th International Summer School on Aggregation Operators (AGOP 2015) (pp. 239-244). Katowice, Poland: University of Silesia.
    [proceedings]


  7. Stachowiak, A., Żywica, P., Dyczkowski, K., & Wójtowicz, A. (2015).
    An Interval-Valued Fuzzy Classifier Based on an Uncertainty-Aware Similarity Measure.
    In P. Angelov, K. T. Atanassov, L. Doukovska, M. Hadjiski, V. Jotsov, J. Kacprzyk, N. Kasabov, S. Sotirov, E. Szmidt & S. Zadrożny (Eds.), Intelligent Systems’2014: Proceedings of the 7th IEEE International Conference Intelligent Systems IS’2014, September 24‐26, 2014, Warsaw, Poland, Volume 1: Mathematical Foundations, Theory, Analyses (Advances in Intelligent Systems and Computing, Vol. 322, pp. 741-752). Cham, Switzerland: Springer International Publishing.
    doi:10.1007/978-3-319-11313-5_65 [accepted manuscript]


  8. Dyczkowski, K., Wójtowicz, A., Żywica, P., Stachowiak, A., Moszyński, R., & Szubert, S. (2015).
    An Intelligent System for Computer-Aided Ovarian Tumor Diagnosis.
    In D. Filev, J. Jabłkowski, J. Kacprzyk, M. Krawczak, I. Popchev, L. Rutkowski, V. Sgurev, E. Sotirova, P. Szynkarczyk & S. Zadrożny (Eds.), Intelligent Systems’2014: Proceedings of the 7th IEEE International Conference Intelligent Systems IS’2014, September 24‐26, 2014, Warsaw, Poland, Volume 2: Tools, Architectures, Systems, Applications (Advances in Intelligent Systems and Computing, Vol. 323, pp. 335-344). Cham, Switzerland: Springer International Publishing.
    doi:10.1007/978-3-319-11310-4_29 [accepted manuscript]


  9. Moszyński, R., Żywica, P., Wójtowicz, A., Szubert, S., Sajdak, S., Stachowiak, A., Dyczkowski, K., Wygralak, M., & Szpurek, D. (2014).
    Menopausal status strongly influences the utility of predictive models in differential diagnosis of ovarian tumors: An external validation of selected diagnostic tools.
    Ginekologia Polska, 85(12), 892-899.
    doi:10.17772/gp/1879 [open access]


  10. Wójtowicz, A., Żywica, P., Szarzyński, K., Moszyński, R., Szubert, S., Dyczkowski, K., Stachowiak, A., Szpurek, D., & Wygralak, M. (2014).
    Dealing with Uncertainty in Ovarian Tumor Diagnosis.
    In K. T. Atanassov, W. Homenda, O. Hryniewicz, J. Kacprzyk, M. Krawczak, Z. Nahorski, E. Szmidt & S. Zadrożny (Eds.), Modern Approaches in Fuzzy Sets, Intuitionistic Fuzzy Sets, Generalized Nets and Related Topics. Volume II: Applications (pp. 151-158). Warszawa, Poland: IBS PAN-SRI PAS.
    [accepted manuscript]


  11. Czarnecki, W. M., Szarzyński, K., & Wójtowicz, A. (2014).
    Designing a competition for autonomous robots with a restricted set of sensors with a case study of LEGO NXT.
    Journal of Automation Mobile Robotics and Intelligent Systems, 8(1), 76-81.
    doi:10.14313/JAMRIS_1-2014/10 [open access]


Other:

  1. Wójtowicz, A. (2016).
    Timing results for BLAS (Basic Linear Algebra Subprograms) libraries in R.
    Zenodo.
    doi:10.5281/zenodo.57910 [software | dataset].


  2. Dyczkowski, K., Stachowiak, A., Wójtowicz, A., & Żywica, P. (2015).
    A fuzzy cardinality based method to aggregate decisions in IVFS environment.
    The 2nd International Symposium on Fuzzy Sets (ISFS 2015), Rzeszów, Poland, 03-04.12.2015 [abstract].


  3. Żywica, P., Wójtowicz, A., Stachowiak, A., & Dyczkowski, K. (2015).
    Improving medical decisions under incomplete data using interval–valued fuzzy aggregation.
    Mathware & Soft Computing Magazine, vol. 22, 2015 [abstract].


  4. Szubert, S., Moszyński, R., Dyczkowski, K., Żywica, P., Stachowiak, A., Wójtowicz, A., Sajdak, S., & Szpurek, D. (2015).
    OvaExpert system successfully differentiates ovarian tumors using imprecise and incomplete information – results of preliminary research.
    XXXII Congress of Polish Gynecology Society, Łódź, Poland, 03-05.09.2015 [abstract].


  5. Moszyński, R., Szubert, S., Żywica, P., Wójtowicz, A., Stachowiak, A., Dyczkowski, K., Wygralak, M., Szpurek, D., & Sajdak, S. (2015).
    PROCA – new diagnostic tool for pre-operative decision support of women with ovarian tumors.
    XXXII Congress of Polish Gynecology Society, Łódź, Poland, 03-05.09.2015 [abstract].


  6. Moszyński, R., Szubert, S., Żywica, P., Wójtowicz, A., Sajdak, S., Stachowiak, A., Dyczkowski, K., Wygralak, M., & Szpurek, D. (2014).
    External validation of selected predictive models in differential diagnosis of adnexal masses difficult to classify as benign or malignant.
    16th World Congress of Gynecological Endocrinology, Firenze, Italy, 05-08.03.2014 [abstract].


  7. Wójtowicz, A. (2011).
    Application of the Cyclic Coordinate Descent algorithm in the protein loop closure problem.
    International contest in bioinformatics, International Society for Computational Biology Student Council.
    doi:10.13140/2.1.1898.6249 [contest article | open access].


Research grants:

  • National Science Centre (NCN), OPUS 11 (2017).
    Video surveillance as a crime prevention tool.
    2016/23/B/HS4/01318, executor (consultant).
  • National Centre for Research and Development (NCBiR), Eureka initiative (2014-2015).
    Next generation multimedia efficient, scalable and robust delivery.
    Project site, C2013/1-5/MITSU/3/2014, executor (software engineer).

Research projects:

  • Ministry of Science and Higher Education (MNiSW), Innovation Incubator; Poznan Science and Technology Park (PPNT) (2014-2015).
    Computational intelligence methods for decision support in ovarian tumor diagnosis.
    Project site, 50/DTT/2015, main executor (data scientist).

Awards and distinctions:

  • Microsoft Azure for Research Award (2015, USA).
    Azure Machine Learning – Development of an Intelligent System for Ovarian Tumor Diagnosis.
    Jointly with the department.
  • Distinction for the research work presented during the XXXII Congress of Polish Gynecology Society (2015, Poland).
    PROCA – new diagnostic tool for pre-operative decision support of women with ovarian tumors.
    Jointly with the co-authors.

Internships and training courses:

  • Ministry of Science and Higher Education (MNiSW); Wageningen University, Netherlands (20.09-03.10.2015).
    Transformation.doc.
    A two-week course for 500 PhD students and young researchers in the field of entrepreneurship and soft skills necessary for cooperation with the economy.

Conferences:

  1. 8th International Summer School on Aggregation Operators (AGOP 2015), Katowice, Polska, 07-10.07.2015,
  2. Joint 16th World Congress of the International Fuzzy Systems Association and 9th Conference of the European Society for Fuzzy Logic and Technology (IFSA-EUSFLAT 2015), Gijón, Hiszpania, 30.06-03.07.2015,
  3. XIX International Conference Medical Informatics and Technologies (MIT 2014), Szczyrk, Poland, 22-24.10.2014,
  4. 7th IEEE International Conference Intelligent Systems (IS’2014), Warsaw, Poland, 24-26.09.2014,
  5. 13th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets (IWIFSGN 2014), Warsaw, Poland, 24-26.09.2014,
  6. Joint Meeting of the German Mathematical Society and the Polish Mathematical Society (DMV-PTM 2014), Poznań, Poland, 17-20.09.2014,
  7. 12th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets (IWIFSGN 2013), Warsaw, Poland, 11.10.2013,
  8. 4th International Conference on Robotics in Education (RiE 2013), Łódź, Poland, 19-20.09.2013,
  9. 12th International Conference on Artificial Intelligence and Soft Computing (ICAISC 2013), Zakopane, Poland, 9-13.06.2013,
  10. 11th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets (IWIFSGN 2012), Warsaw, Poland, 12.10.2012.