| 2014 | ICAISC | On Orientation Sensitive Defuzzification Functionals. | Tomek Bednarek, Witold Kosinski, Katarzyna Wegrzyn-Wolska |
| 2014 | ICAISC | Optimizing Inventory of a Firm under Fuzzy Data. | Irena Sobol, Kurt Frischmuth, Dariusz Kacprzak, Witold Kosinski |
| 2013 | FedCSIS | Application of Ant-Colony Optimisation to Compute Diversified Entity Summarisation on Semantic Knowledge Graphs. | Witold Kosinski, Marcin Sydow, Tomasz Kusmierczyk, Pawel Rembelski |
| 2013 | ICAISC | Financial Stock Data and Ordered Fuzzy Numbers. | Dariusz Kacprzak, Witold Kosinski, W. Konrad Kosinski |
| 2013 | ICAISC | Diversity of Opinion Evaluated by Ordered Fuzzy Numbers. | Magdalena Kacprzak, Witold Kosinski, Katarzyna Wegrzyn-Wolska |
| 2013 | ICAISC | Metasets, Intuitionistic Fuzzy Sets and Uncertainty. | Bartlomiej Starosta, Witold Kosinski |
| 2013 | IFSA | Ordered fuzzy numbers in financial stock and accounting problems. | Witold Kosinski, Anna Chwastyk |
| 2012 | ICAISC | Shape Parametrization and Contour Curvature Using Method of Hurwitz-Radon Matrices. | Dariusz Jacek Jakbczak, Witold Kosinski |
| 2012 | ICAISC | Implications on Ordered Fuzzy Numbers and Fuzzy Sets of Type Two. | Magdalena Kacprzak, Witold Kosinski, Piotr Prokopowicz |
| 2012 | ICAISC | Defuzzification Functionals Are Homogeneous, Restrictive Additive and Normalized Functions. | Witold Kosinski, Agnieszka Rosa, Dorota Cendrowska, Katarzyna Wegrzyn-Wolska |
| 2012 | ICAISC | Pointwise Convergence of Discrete Ant System Algorithm. | Pawel Rembelski, Witold Kosinski |
| 2011 | ECMS | Neural Networks In Determination Of Defuzzification Functionals. | Witold Kosinski, Katarzyna Wegrzyn-Wolska |
| 2011 | EUSFLAT | On lattice structure and implications on ordered fuzzy numbers. | Magdalena Kacprzak, Witold Kosinski |
| 2010 | CEC | On convergence and optimality of genetic algorithms. | Witold Kosinski, Stefan Kotowski, Zbyszek Michalewicz |
| 2010 | ICAISC | A New Fuzzy Approach to Ordinary Differential Equations. | Witold Kosinski, Kurt Frischmuth, Dorota Wilczynska-Sztyma |
| 2008 | ICAISC | Fractal Dimension of Trajectory as Invariant of Genetic Algorithms. | Stefan Kotowski, Witold Kosinski, Zbigniew Michalewicz, Jakub Nowicki, Bartosz Przepirkiewicz |
| 2008 | ICAISC | On Convergence of a Simple Genetic Algorithm. | Jolanta Socala, Witold Kosinski |
| 2007 | EUSFLAT | Fuzziness - Representation of Dynamic Changes?. | Witold Kosinski, Piotr Prokopowicz |
| 2006 | ICAISC | On Fuzzy Number Calculus and Some Application. | Witold Kosinski |
| 2005 | EUSFLAT | Calculation and reasoning with ordered fuzzy numbers. | Witold Kosinski |
| 2004 | ICAISC | Fuzzy Calculator - Useful Tool for Programming with Fuzzy Algebra. | Roman Kolesnik, Piotr Prokopowicz, Witold Kosinski |
| 2004 | ICAISC | On Defuzzyfication of Ordered Fuzzy Numbers. | Witold Kosinski |
| 2002 | DSD | Evolutionary Algorithm for State Assignment of Finite State Machines. | Mariusz Chyzy, Witold Kosinski |
| 1997 | KES | Expert system with an adaptive fuzzy inference module. | Witold Kosinski, Martyna Weigl |