Spanish (basic, simply due to its similarity to Portuguese)
"Automatic Essay Scoring: Machine Learning meets Applied Linguistics." (with Marjolijn Verspoor and John Nerbonne) 1st International Conference on Language Testing and Assessment: Language Testing and Assessment round the Globe, Nicosia, Cyprus, June 2011.
"Automatic Essay Scoring: Machine Learning meets Applied Linguistics.". TABU DAG 2011, 32nd Linguistics Conference, Groningen, Netherland, June 2011
"How can machine learning help towards automated essay scoring?" MwALT 2011 (Midwest Association of Language Testers and Technology for Second Language Learning Conference), Ames, Iowa, September 2011
Santos, Victor Dias de Oliveira (2008). Languages of the world and their Case marking. The Brazilian language Xavante: a case study. Unpublished B.A monograph, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil. (pdf file)
Santos, Victor Dias de Oliveira (2011). Automatic Essay Scoring: Machine Learning meets Applied Linguistics. Unpublished M.A thesis, University of Groningen, Groningen, Netherlands and University of Saarland, Saarbrücken, Germany. (pdf file)
Santos, Victor D.O. Rosetta Stone Portuguese (Brazil) levels 1,2, & 3 Personal Edition Version 4 (TOTALe). Calico Journal, 29(1), p-p 177-194. (pdf file)