Organizational Aspects and Needs of E-government: a Knowledge Path for Designing and Implementing Value Interoperable Services. - Nunzio Casalino; Alla Anohina-Naumeca; Vjaceslavs Sitikovs; Nicole Georgogianni; Piotr Goetzen; Slavcho Manolov; Thomas Ubrich (IDT/IIMSS/STET, 2014)

Estimation of Probability Density Function, Differential Entropy and Other Relative Quantities for Data Streams with Concept Drift. - Maciej Jaworski; Patryk Najgebauer; Piotr Goetzen (ICAISC (2), 2018)

A New Hybrid Particle Swarm Optimization and Evolutionary Algorithm. - Piotr Dziwiñski; Lukasz Bartczuk; Piotr Goetzen (ICAISC (1), 2019)

Sequential Data Mining of Network Traffic in URL Logs. - Marcin Korytkowski; Jakub Nowak; Robert Nowicki; Kamila Milkowska; Magdalena Scherer; Piotr Goetzen (ICAISC (1), 2019)

Nonlinear Fuzzy Modelling of Dynamic Objects with Fuzzy Hybrid Particle Swarm Optimization and Genetic Algorithm. - Lukasz Bartczuk; Piotr Dziwiñski; Piotr Goetzen (ICAISC (1), 2020)

A New Method for Automatic Determining of the DBSCAN Parameters. - Artur Starczewski; Piotr Goetzen; Meng Joo Er (J. Artif. Intell. Soft Comput. Res., 2020)

Triangular Fuzzy-Rough Set Based Fuzzification of Fuzzy Rule-Based Systems. - Janusz T. Starczewski; Piotr Goetzen; Christian Napoli 001 (J. Artif. Intell. Soft Comput. Res., 2020)