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| 2001 | Univ. of Pennsylvania | Ph.D. in Computer Science. Thesis: Smoothing a probabilistic lexicon via syntactic transformations. Advisor: Mitch Marcus. Graduate Teaching Award. |
| 1993 | Univ. of Cambridge | B.A. / M.A. in Mathematics (first-class honours). (Note: Second undergraduate degree.) |
| 1990 | Harvard Univ. | A.B. in Psychology, Cognitive Science track (summa cum laude; junior-year election to Phi Beta Kappa). |
| 7/2007- | Department of Computer Science, Johns Hopkins University | |
| Associate professor of computer science. Joint appointment in Cognitive Science (1/2003-). | ||
| 7/2000-6/2007 | Department of Computer Science, Johns Hopkins University | |
| Assistant professor of computer science. | ||
| 1/2000-6/2001 | Department of Computer Science, University of Rochester, NY | |
| Assistant professor of computer science. Secondary appointment in Linguistics. | ||
| 1994- | iReactor Inc., Philadelphia, PA (consultant) | |
| Solved research problems, wrote patents, proposed commercial ventures and strategies, met with potential clients, and supervised programmers, on a variety of Internet-oriented research projects. | ||
| 1989-1992 | AT&T Bell Labs, AI Research Department, Murray Hill, NJ (summers) | |
| Designed and built an early probabilistic left-to-right parser. Final version used a Lexical-Functional unification grammar and incorporated semantic and speech-recognition probabilities. Publications describe earlier version. | ||
| 1988 | Microsoft Corporation, Seattle, WA (summer) | |
| Designed a flexible, high-performance multi-line editor widget for OS/2 Presentation Manager, and led the team that implemented it in C. | ||
| 1987-1988 | IBM Research Center, Yorktown Heights, NY (consultant) | |
| Designed interactive system to help navigate company budget performance data. | ||
| 2005 | Robert B. Pond, Sr. Excellence in Teaching Award | (JHU Engineering) |
| 2002, 2005, 2008 | Nominated for best paper award | (EMNLP, ACL, EMNLP-CoNLL) |
| 1993-1996 | NSF Graduate Research Fellowship | (U. Pennsylvania) |
| 1993-1996 | NSF Graduate Research Fellowship | (U. Pennsylvania) |
| 1991-1993 | Herchel Smith Harvard Scholarship | (Cambridge U.) |
| 1990-1991 | Fulbright Scholarship | (U. Cape Town) |
| 1986-1990 | Harvard National Scholarship | (Harvard U.) |
| 2006-2007 | JHU WSE-APL Partnership Fund: Learning with Less Systems | (PI, $68K) |
| 2005-2010 | NSF PIRE: Investigation of Meaning Representations in Language Understanding for Machine Translation Systems | (co-PI, $2.5M) |
| 2004-2009 | NSF CAREER: Finite-State Machine Learning on Strings and Sequences | (PI, $500K) |
| 2003-2007 | NSF ITR: Weighted Dynamic Programming for Statistical Natural Language Processing | (PI, $425K) |
| 2001-2006 | ONR MURI: Improving Statistical Translation Models Via Text Analyzers Trained From Parallel Corpora | (co-PI, $4.3M) |
| 2001-2006 | NSF ITR/IM+PE+SY: Summer Workshops on Human Language Technology | (co-PI, $2.35M) |
| 7/2000- | Department of Computer Science, Johns Hopkins University | ||
| Assistant Professor and Graduate Program Chair. Robert B. Pond, Sr. Excellence in Teaching Award (Whiting School of Engineering, 2005).
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| 2002- | Lecturer, NAACL Summer School in Human Language Technology | ||
| 1/2000-6/2001 | Department of Computer Science, University of Rochester | ||
Assistant Professor.
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| 1994-95 | Department of Computer Science, University of Pennsylvania | ||
| TA in Introduction to Programming. Graduate Teaching Award. | |||