Menthor Editor: An Ontology-Driven Conceptual Modeling Platform. - João L. R. Moreira; Tiago Prince Sales; John Guerson; Bernardo Ferreira Bastos Braga; Freddy Brasileiro; Vinicius Sobral (JOWO@FOIS, 2016)

Expressive Multi-level Modeling for the Semantic Web. - Freddy Brasileiro; João Paulo A. Almeida; Victorio Albani de Carvalho; Giancarlo Guizzardi (ISWC (1), 2016)

Applying a Multi-Level Modeling Theory to Assess Taxonomic Hierarchies in Wikidata. - Freddy Brasileiro; João Paulo A. Almeida; Victorio Albani de Carvalho; Giancarlo Guizzardi (WWW (Companion Volume), 2016)

Multi-Level Conceptual Modeling: Theory and Applications. - João Paulo A. Almeida; Victorio Albani de Carvalho; Freddy Brasileiro; Claudenir M. Fonseca; Giancarlo Guizzardi (ONTOBRAS, 2018)