An Information Retrieval Application using Ontologies. - Christian Paz-Trillo; Renata Wassermann; Paula P. Braga (J. Braz. Comput. Soc., 2005)

Classifying Ontologies. - Fábio N. Kepler; Christian Paz-Trillo; Joselyto Riani; Márcio Moretto Ribeiro; Karina Valdivia Delgado; Leliane Nunes de Barros; Renata Wassermann (WONTO, 2006)

Initial Approaches on Cross-Lingual Information Retrieval Using SMT on User-Queries. - Marta R. Costa-jussà; Christian Paz-Trillo; Renata Wassermann (ONTOBRAS-MOST, 2012)