Solving numerical equations of hydraulic problems using particle swarm optimization. - Renato A. Krohling; Helder Knidel; Yuhui Shi (IEEE Congress on Evolutionary Computation, 2002)

A Multi-Neighbor-Joining Approach for Phylogenetic Tree Reconstruction and Visualization. - Ana Estela Antunes da Silva; Wilfredo Jaime Puma Villanueva; Helder Knidel; Vinícius Bonato; Sérgio Furtado dos Reis; Fernando J. Von Zuben (WOB, 2004)

RABNET: a real-valued antibody network for data clustering. - Helder Knidel; Leandro Nunes de Castro; Fernando J. Von Zuben (GECCO, 2005)

Data Clustering with a Neuro-immune Network. - Helder Knidel; Leandro Nunes de Castro; Fernando J. Von Zuben (ICNC (1), 2005)

An Immunological Filter for Spam. - George Barreto Bezerra; Tiago V. Barra; Hamilton M. Ferreira; Helder Knidel; Leandro Nunes de Castro; Fernando J. Von Zuben (ICARIS, 2006)

A Supervised Constructive Neuro-Immune Network for Pattern Classification. - Helder Knidel; Fernando J. Von Zuben; Leandro Nunes de Castro (IJCNN, 2006)

Support Vector Clustering Applied to Digital Communications. - Clodoaldo Ap. M. Lima; Rafael Ferrari; Helder Knidel; Cynthia Junqueira; Romis Ribeiro Faissol Attux; João Marcos Travassos Romano; Fernando J. Von Zuben (IJCNN, 2006)

Artificial Immune Systems: structure, function, diversity and an application to biclustering. - Leandro Nunes de Castro; Jon Timmis; Helder Knidel; Fernando J. Von Zuben (Nat. Comput., 2010)

Empirical Mode Decomposition, Extreme Learning Machine and Long Short-Term Memory for Time Series Prediction: A Comparative Study. - Elivelto Ebermam; Gabriel De Angelo; Helder Knidel; Renato A. Krohling (BRACIS, 2018)

A smartphone application to detection and classification of coffee leaf miner and coffee leaf rust. - Giuliano L. Manso; Helder Knidel; Renato A. Krohling; Jose A. Ventura (CoRR, 2019)

Development of a hybrid method for stock trading based on TOPSIS, EMD and ELM. - Elivelto Ebermam; Helder Knidel; Renato A. Krohling (CoRR, 2022)