Activity Recognition Model Based on GPS Data, Points of Interest and User Profile. - Igor da Penha Natal; Rogerio de Avellar Campos Cordeiro; Ana Cristina Bicharra Garcia (ISMIS, 2017)

Efficient out-of-home activity recognition by complementing GPS data with semantic information. - Igor da Penha Natal; Luís Correia 001; Ana Cristina Bicharra Garcia; Leandro A. F. Fernandes (First Monday, 2019)

Integrating Multiple Public Datasets for Human Activity Recognition using Machine Learning. - Vinicius K. Fukace; Yandre M. G. Costa; Igor da Penha Natal (IWSSIP, 2023)