Guest Editor's Introduction: Induction Algorithms. - Waldemar W. Koczkodaj (Int. J. Softw. Eng. Knowl. Eng., 1991)

Principal Components and the Accuracy of Machine Learning. - Zbigniew Duszak; Waldemar W. Koczkodaj (DEXA, 1992)

Generalization of a New Definition of Consistency for Pairwise Comparisons. - Zbigniew Duszak; Waldemar W. Koczkodaj (Inf. Process. Lett., 1994)

APL2 implementation of a new definition of consistency of pairwise comparisons. - Michael W. Herman; Waldemar W. Koczkodaj (ACM SIGAPL APL Quote Quad, 1994)

A self-modifiable approach to scheduling and mapping algorithms in multiprocessor systems. - Eugeniusz Eberbach; Waldemar W. Koczkodaj (Int. J. Comput. Math., 1996)

A Monte Carlo Study of Parwise Comparison. - Michael W. Herman; Waldemar W. Koczkodaj (Inf. Process. Lett., 1996)

Convergence of Inconsistency Algorithms for the Pairwise Comparisons. - Wlodzimierz Holsztynski; Waldemar W. Koczkodaj (Inf. Process. Lett., 1996)

Using Consistency-driven Pairwise Comparisons in Knowledge-based Systems. - Waldemar W. Koczkodaj; Michael W. Herman; Marian Orlowski (CIKM, 1997)

A weak order solution to a group ranking and consistency-driven pairwise comparisons. - Ryszard Janicki; Waldemar W. Koczkodaj (Appl. Math. Comput., 1998)

Myths about Rough Set Theory. - Waldemar W. Koczkodaj; Marian Orlowski; V. Wiktor Marek (Commun. ACM, 1998)

Managing Null Entries in Pairwise Comparisons. - Waldemar W. Koczkodaj; Michael W. Herman; Marian Orlowski (Knowl. Inf. Syst., 1999)

Attacking the Web Cancer with the Automatic Understanding Approach. - Ratvinder Singh Grewal; Ryszard Janicki; Tamar Kakiashvili; K. Kielan; Waldemar W. Koczkodaj; Kalpdrum Passi; Ryszard Tadeusiewicz (AWIC, 2007)

Assessing the properties of the World Health Organization's Quality of Life Index. - Tamar Kakiashvili; Waldemar W. Koczkodaj; Phyllis Montgomery; Kalpdrum Passi; Ryszard Tadeusiewicz (IMCSIT, 2008)

Benefits of Using Tabular Expressions in Planning Health Services. - Volodymyr Babiy; Ryszard Janicki; Tiffany Jingco; Tamar Kakiashvili; Waldemar W. Koczkodaj; Marc Woodbury-Smith (Software Engineering Research and Practice, 2009)

Selecting the best strategy in a software certification process. - Waldemar W. Koczkodaj; Vova Babiy; Agnieszka D. Bogobowicz; Ryszard Janicki; Alan Wassyng (IMCSIT, 2010)

On distance-based inconsistency reduction algorithms for pairwise comparisons. - Waldemar W. Koczkodaj; S. J. Szarek (Log. J. IGPL, 2010)

A Different Perspective on a Scale for Pairwise Comparisons. - Jándor Fülöp; Waldemar W. Koczkodaj; S. J. Szarek (Trans. Comput. Collect. Intell., 2010)

Improving the predictiveness of ICU medical scales by the method of pairwise comparisons. - Mohammed A. Alqarni; Yassen Arabi; Tamar Kakiashvili; Mohammed Khedr; Waldemar W. Koczkodaj; J. Leszek; Artur Przelaskowski; K. Rutkowski (FedCSIS, 2011)

A simplified implementation of the least squares solution for pairwise comparisons matrices. - Marcin Anholcer; Volodymyr Babiy; Sándor Bozóki; Waldemar W. Koczkodaj (Central Eur. J. Oper. Res., 2011)

An LP-based inconsistency monitoring of pairwise comparison matrices. - Sándor Bozóki; Jándor Fülöp; Waldemar W. Koczkodaj (Math. Comput. Model., 2011)

Improving the medical scale predictability by the pairwise comparisons method: Evidence from a clinical data study. - Tamar Kakiashvili; Waldemar W. Koczkodaj; Marc Woodbury-Smith (Comput. Methods Programs Biomed., 2012)

On some convexity properties of the Least Squares Method for pairwise comparisons matrices without the reciprocity condition. - Jándor Fülöp; Waldemar W. Koczkodaj; S. J. Szarek (J. Glob. Optim., 2012)

A note on relevance of diagnostic classification and rating scales used in psychiatry. - Yiqun Gan; Tamar Kakiashvili; Waldemar W. Koczkodaj; Feng Li (Comput. Methods Programs Biomed., 2013)

On Axiomatization of Inconsistency Indicators for Pairwise Comparisons. - Waldemar W. Koczkodaj; Ryszard Szwarc (Fundam. Informaticae, 2014)

On the quality evaluation of scientific entities in Poland supported by consistency-driven pairwise comparisons method. - Waldemar W. Koczkodaj; Konrad Kulakowski; Antoni Ligeza (Scientometrics, 2014)

Pairwise comparisons simplified. - Waldemar W. Koczkodaj; Jacek Szybowski (Appl. Math. Comput., 2015)

A Monte Carlo Study of Pairwise Comparisons. - Michael W. Herman; Waldemar W. Koczkodaj (CoRR, 2015)

An Algorithm for the Optimal Consistent Approximation to a Pairwise Comparisons Matrix by Orthogonal Projections. - Waldemar W. Koczkodaj; Marian Orlowski (CoRR, 2015)

On the Convergence of the Pairwise Comparisons Inconsistency Reduction Process. - Waldemar W. Koczkodaj; Jacek Szybowski (CoRR, 2015)

The key properties of inconsistency indicators for a triad in pairwise comparison matrices. - Waldemar W. Koczkodaj; Jacek Szybowski (CoRR, 2015)

Fast Convergence of Distance-based Inconsistency in Pairwise Comparisons. - Waldemar W. Koczkodaj; Marek Kosiek; Jacek Szybowski; Ding Xu (Fundam. Informaticae, 2015)

Developing Coalitions by Pairwise Comparisons: a Preliminary Study. - Waldemar W. Koczkodaj; Anna Tatarczak (FedCSIS (Position Papers), 2016)

A Conception of Pairwise Comparisons Model for Selection of Appropriate Body Surface Area Calculation Formula. - Grzegorz Redlarski; Waldemar W. Koczkodaj; Marek Krawczuk; Janusz Siebert; Katarzyna E. Mrozik; Aleksander Palkowski; Piotr Tojza (FedCSIS, 2016)

The Limit of Inconsistency Reduction in Pairwise Comparisons. - Waldemar W. Koczkodaj; Jacek Szybowski (Int. J. Appl. Math. Comput. Sci., 2016)

Important Facts and Observations about Pairwise Comparisons (the special issue edition). - Waldemar W. Koczkodaj; Ludmil Mikhailov; Grzegorz Redlarski; Michael Soltys; Jacek Szybowski; Gaik Tamazian; Eliza Wajch; Kevin Kam Fung Yuen (Fundam. Informaticae, 2016)

Inconsistency indicator maps on groups for pairwise comparisons. - Waldemar W. Koczkodaj; Jacek Szybowski; Eliza Wajch (Int. J. Approx. Reason., 2016)

Pairwise Comparisons Rating Scale Paradox. - Waldemar W. Koczkodaj (Trans. Comput. Collect. Intell., 2016)

On normalization of inconsistency indicators in pairwise comparisons. - Waldemar W. Koczkodaj; Jean-Pierre Magnot; Jirí Mazurek; James F. Peters; Hojjat Rakhshani; Michael Soltys; Dominik Strzalka; Jacek Szybowski; Arturo Tozzi (Int. J. Approx. Reason., 2017)

How to reduce the number of rating scale items without predictability loss? - Waldemar W. Koczkodaj; Tamar Kakiashvili; A. Szymanska; J. Montero-Marin; Ricardo Araya; Javier García-Campayo; K. Rutkowski; Dominik Strzalka (Scientometrics, 2017)

Consistency-Driven Pairwise Comparisons Approach to Software Product Management and Quality Measurement. - Waldemar W. Koczkodaj; Pawel Dymora; Miroslaw Mazurek; Dominik Strzalka (DepCoS-RELCOMEX, 2018)

Inconsistency of special cases of pairwise comparisons matrices. - Viera Cernanová; Waldemar W. Koczkodaj; Jacek Szybowski (Int. J. Approx. Reason., 2018)

Axiomatization of inconsistency indicators for pairwise comparisons. - Waldemar W. Koczkodaj; Roman Urban (Int. J. Approx. Reason., 2018)

RatingScaleReduction package: stepwise rating scale item reduction without predictability loss. - Waldemar W. Koczkodaj; Feng Li; Alicja Wolny-Dominiak (R J., 2018)

Somerville Happiness Survey. - Waldemar W. Koczkodaj (UCI Machine Learning Repository, 2018)

Optimizing predictability of rating scales by differential evolution for the use by collective intelligent information and database systems. - Waldemar W. Koczkodaj; Tamar Kakiashvili; Feng Li; Alicja Wolny-Dominiak; Jolanta Masiak (J. Intell. Fuzzy Syst., 2019)

On Orthogonal Projections on the Space of Consistent Pairwise Comparisons Matrices. - Waldemar W. Koczkodaj; Ryszard Smarzewski; Jacek Szybowski (Fundam. Informaticae, 2020)

On the use of group theory to generalize elements of pairwise comparisons matrix: A cautionary note. - Waldemar W. Koczkodaj; Fang Liu 017; Victor W. Marek; Jirí Mazurek; Miroslaw Mazurek; Ludmil Mikhailov; Cenap Özel; Witold Pedrycz; Artur Przelaskowski; Andrew Schumann; Ryszard Smarzewski; Dominik Strzalka; et al. (Int. J. Approx. Reason., 2020)

Pairwise comparisons matrix decomposition into approximation and orthogonal component using Lie theory. - Waldemar W. Koczkodaj; Victor W. Marek; Yusuf Yayli (Int. J. Approx. Reason., 2021)

Combating harmful Internet use with peer assessment and differential evolution. - Waldemar W. Koczkodaj; M. Mazurek; Witold Pedrycz; E. Rogalska; R. Roth; Dominik Strzalka; A. Szymanska; Alicja Wolny-Dominiak; Marc Woodbury-Smith; O. S. Xue; R. Zbyrowski (CoRR, 2023)

Computationally efficient orthogonalization for pairwise comparisons method. - Julio Benítez; Waldemar W. Koczkodaj; Adam Kowalczyk (Appl. Math. Comput., 2024)

On homology groups for pairwise comparisons method. - Waldemar W. Koczkodaj; Witold Pedrycz; Alexander Pigazzini; Yingli Song; Jacek Szybowski (Inf. Sci., 2024)