University of Colorado - Boulder. Acoustic and lexical features of emphatic speech.

Brown University. Part-of-speech tagging, probabilistic context-free grammar induction, syntactic disambiguation through word statistics, efficient syntactic parsing, and lexical resource acquisition through statistical means.

Federal University of Minas Gerais (UFMG), Brazil. Pattern recognition, invariante pattern recognition, neural networks, image content-base retrieval, digital image processing, computer vision.

Geosemble Technologies. Computer vision, image processing, pattern recognition, geospatial information integration.

NASA/Ames Research Center. Brahms multiagent simulation system, situated cognition, Haughton-Mars Project, human-centered computing.

University of Sheffield. Information retrieval.

University of British Columbia. User modeling, emotionally intelligent agents, adaptive user interfaces, Bayesian network student models.

Carnegie Mellon School of Computer Science. Phd Student. Intersection of computer science and game theory, computer science and economics, multiagent systems, automated negotiation and contracting.

CINVESTAV-IPN. Artificial immune system optimization, genetic algorithms, evolutionary computation.

Technical University of Cluj. Image processing, stereovision, intelligent vehicles.