Fast Computational Processing for Mobile Robots' Self-Localization. - Helder Ribeiro; Pedro Silva; Ricardo Roriz; Tiago Maia; Rui Saraiva; Gil Lopes; A. Fernando Ribeiro (ICARSC, 2016)

Crowdsourced integrity verification of election results - An experience from Brazilian elections. - Diego F. Aranha; Helder Ribeiro; André Luis Ogando Paraense (Ann. des Télécommunications, 2016)

An Improved Mobile Mapping System to Detect Road-Killed Amphibians and Small Birds. - Diana Sousa Guedes; Helder Ribeiro; Neftalí Sillero (ISPRS Int. J. Geo Inf., 2019)