Research Code Discourse Service I am a Distinguished AI Engineer at ETS AI Labs . I obtained my Ph.D. from the Department of Computer Science at University of Maryland, College Park . I was also a graduate research assistant in the Computational Linguistics and Information Processing Laboratory at the Institute for Advanced Computer Studies , where I worked with my advisor, Bonnie Dorr .
In general, my research has been focused on building systems—with underlying computational models of language—that process written text so as to enhance our experience with those texts. As an example, in my dissertation, I demonstrated the existence of a concrete symbiotic semantic relationship between systems that translate text and those that paraphrase text; I then exploited this relationship to build better translation and paraphrasing systems. Besides machine translation and paraphrase generation, I ha
My work at ETS has allowed to me to apply NLP techniques to build useful educational applications and technologies. Some examples include mining Wikipedia revision history to correct grammatical errors, using paraphrase generation to improve sentiment analysis of essay data, and automatically detecting organizational elements in argumentative discourse.