Spanish Council for Scientific Research (CSIC) and Deputy Director of the Artificial Intelligence Research Institute of the CSIC. AI and music, qualitative approaches to landmark-based robot navigation.
University of Colorado, Boulder. Empirical metaphor research, latent semantic analysis, information retrieval, co-author of "Speech and Language Processing" with Dan Jurafsky.
University of Illinois at Chicago. Interpretation and generation of instructional text, computational models of tutorial dialogue, modeling collaboration in human-human and computer-human dialogues, referential expressions.