An Agent Infrastructure to set Collaborative Environments. - Carlos José M. Olguín; Armando Luiz N. Delgado; Ivan Luiz Marques Ricarte (J. Educ. Technol. Soc., 2000)

Monitoring Learners Activities in a Collaborative Environment. - Armando Luiz N. Delgado; Carlos José M. Olguín; Ivan Luiz Marques Ricarte (CRIWG, 2001)

Activity Coordination in Collaborative Learning Environments. - Carlos José M. Olguín; Alberto Barbosa Raposo; Ivan Luiz Marques Ricarte (Computer Supported Acitivity Coordination, 2004)

LIBRAS Signals Recognition: a study with Learning Vector Quantization and Bit Signature. - Sarajane Marques Peres; Franklin César Flores; Denise Veronez; Carlos José M. Olguín (SBRN, 2006)

Step Into Micro-World: Dynamic Simulation of the Coffee-Ring Effect. - Wei Zhao; Tianxiang Yang; Carlos José M. Olguín (CAD/Graphics, 2015)