Social networks applied to distance education courses: analysis of interaction in discussion forums. - Ernani Gottardo; Robinson Vida Noronha (WebMedia, 2012)

Estimativa de Desempenho Acadêmico de Estudantes: Análise da Aplicação de Técnicas de Mineração de Dados em Cursos a Distância. - Ernani Gottardo; Celso Antônio Alves Kaestner; Robinson Vida Noronha (Revista Brasileira de Informática na Educ., 2014)

Affective Human-Computer Interaction in Educational Software: a Hybrid Model for Emotion Inference. - Ernani Gottardo; Andrey Ricardo Pimentel (IHC, 2017)

Hybrid Model of Emotions Inference - An Approach based on Fusion of Physical and Cognitive Informations. - Ernani Gottardo; Andrey Ricardo Pimentel (ICEIS (2), 2018)

Inferring Students' Emotions Using a Hybrid Approach that Combine Cognitive and Physical Data. - Ernani Gottardo; Andrey Ricardo Pimentel (ICEIS (Revised Selected Papers), 2018)

Improving Inference of Learning Related Emotion by Combining Cognitive and Physical Information. - Ernani Gottardo; Andrey Ricardo Pimentel (ITS, 2018)

Changes of Affective States in Intelligent Tutoring System to Improve Feedbacks Through Low-Cost and Open Electroencephalogram and Facial Expression. - Wellton Costa de Oliveira; Ernani Gottardo; Andrey Ricardo Pimentel (ITS, 2020)

Tutorial Intervention's Affective Model Based on Learner's Error Identification in Intelligent Tutoring Systems. - Soelaine Rodrigues Ascari; Andrey Ricardo Pimentel; Ernani Gottardo (ITS, 2021)