Research Interests

Natural Language Processing, Machine Translation, Machine Learning.
My research focuses on developing and understanding data-driven methods to solve long-standing real-world problem such as machine translation.

Education

Doctor of Philosophy, Computer Science

Department of Computer Science, University of Southern California
Thesis title: Noun Phrase Translation
Thesis advisor: Prof. Kevin Knight
December 2003

Diplom, Computer Science

Department of Computer Science, Universität Erlangen-Nürnberg
Thesis title: Statistical and Model-Based Learning Methods for Extending Unification Grammar
Thesis advisors: Prof. Günther Görz
October 1996

Master of Science, Computer Science

Department of Computer Science, University of Tennessee, Knoxville
Thesis title: Combining Genetic Algorithms and Neural Networks
Thesis advisor: Prof. Bruce MacLennan
(on Fulbright Grant)
December 1994

Professional Experience

Lecturer

University of Edinburgh, United Kingdom
since January 2005

Post-doctorial Associate

Massachusetts Institute of Technology, Cambridge, MA
February 2004 - January 2005

Research Assistant

USC Information Sciences Institute, Los Angeles, CA
August 1997 - December 2003

Summer Research Intern

Whizbang! Labs, Provo, UT
Under guidance of Dallan Quass
May-August 2000

Summer Manager

AT&T Research - Labs, Florham Park, NJ
Under guidance of Steve Abney, Michael Collins and Julia Hirschberg
May-August 1999

Internet Consultant

Netzmarkt, Erlangen, Germany
May 1996 - June 1997 (full time)
July 1997 - December 2000 (part time)

Teaching Assistant

Computer Science Department
University of Tennessee, Knoxville, TN
Fall 1994

Teaching Assistant

Mathematics Department
Universität Erlangen-Nürnberg, Germany
Winter 1992-1993 and Summer 1993

Book

1. Philipp Koehn: "Statistical Machine Translation", text book, Cambridge University Press, 2009.

Conference Papers

1. Philipp Koehn, Alexandra Birch and Ralf Steinberger: "462 Machine Translation Systems for Europe", Machine Translation Summit XII, p. 65-72, 2009.
2. Philipp Koehn and Barry Haddow: "Interactive Assistance to Human Translators using Statistical Machine Translation Methods", Machine Translation Summit XII, p. 73-80, 2009.
3. Loïc Dugast, Jean Senellart and Philipp Koehn: "Selective addition of corpus-extracted phrasal lexical rules to a rule-based machine translation system", Machine Translation Summit XII, p. 222-229, 2009.
4. Philipp Koehn: "A Web-Based Interactive Computer Aided Translation Tool", ACL Software demonstration session, 2009.
5. Abhishek Arun, Chris Dyer, Barry Haddow, Phil Blunsom, Adam Lopez, and Philipp Koehn: "Monte Carlo inference and maximization for phrase-based translation", Conference on Natural Language Learning, 2009.
6. Josh Schroeder, Trevor Cohn and Philipp Koehn: "Word Lattices for Multi-Source Translation", Meeting of the European Chapter of the Association for Computational Linguistics (EACL), 2009.
7. Hieu Hoang and Philipp Koehn: "Improving Mid-Range Re-Ordering using Templates of Factors", Meeting of the European Chapter of the Association for Computational Linguistics (EACL), 2009.
8. Holger Schwenk and Philipp Koehn: "Large and Diverse Language Models for Statistical Machine Translation", International Joint Conference on Natural Language Processing (IJCNLP), p. 661-666, 2008.
9. Eleftherios Avramidis and Philipp Koehn: "Enriching Morphologically Poor Languages for Statistical Machine Translation", 46th Annual Meeting of the Association for Computational Linguistics (ACL), p. 763-770, 2008.
10. Alexandra Birch, Miles Osborne and Philipp Koehn: "Predicting Success in Machine Translation", Conference on Empirical Methods in Natural Language Processing (EMNLP), p. 745-749, 2008.
11. Abhishek Arun and Philipp Koehn: "Online Learning Methods For Discriminative Training of Phrase Based Statistical Machine Translation", Machine Translation Summit XI, p. 15-20, 2007.
12. Philipp Koehn and Hieu Hoang: "Factored Translation Models", Conference on Empirical Methods in Natural Language Processing (EMNLP), p. 868-876, 2007.
13. Chao Wang, Michael Collins and Philipp Koehn: "Chinese Syntactic Reordering for Statistical Machine Translation", Conference on Empirical Methods in Natural Language Processing (EMNLP), p. 737-745, 2007.
14. Philipp Koehn, Hieu Hoang, Alexandra Birch, Chris Callison-Burch, Marcello Federico, Nicola Bertoldi, Brooke Cowan, Wade Shen, Christine Moran, Richard Zens, Chris Dyer, Ondrej Bojar, Alexandra Constantin, Evan Herbst: "Moses: Open Source Toolkit for Statistical Machine Translation", ACL demonstration session, p. 177-180, 2007.
15. Chris Callison-Burch, Philipp Koehn and Miles Osborne: "Improved Statistical Machine Translation Using Paraphrases", Meeting of the North American Chapter of the Association for Computational Linguistics (NAACL), p. 17-24, 2006.
16. Chris Callison-Burch, Miles Osborne and Philipp Koehn: "Re-evaluating the Role of Bleu in Machine Translation Research", Meeting of the European Chapter of the Association for Computational Linguistics (EACL), p. 249-256, 2006.
17. Michael Collins, Philipp Koehn, and Ivona Kucerova: "Clause Restructuring for Statistical Machine Translation", 43rd Annual Meeting of the Association for Computational Linguistics (ACL), p. 531-540, 2005.
18. Philipp Koehn: "Europarl: A Parallel Corpus for Statistical Machine Translation", Machine Translation Summit X, p. 79-86, 2005.
19. Philipp Koehn: "Statistical Significance Tests for Machine Translation Evaluation", Conference on Empirical Methods in Natural Language Processing (EMNLP), p. 388-395, 2004.
20. Philipp Koehn: "Pharaoh: a Beam Search Decoder for Phrase-Based Statistical Machine Translation Models", Meeting of the American Association for Machine Translation (AMTA), p. 115-124, 2004.
21. Philipp Koehn and Kevin Knight: "Feature-Rich Statistical Translation of Noun Phrases", 41st Annual Meeting of the Association for Computational Linguistics (ACL), p.311-318, 2003.
22. Philipp Koehn and Kevin Knight: "Empirical Methods for Compound Splitting", 11th Conference of the European Chapter of the Association for Computational Linguistics (EACL), p. 187-193, 2003.
23. Philipp Koehn, Franz Josef Och, and Daniel Marcu: "Statistical Phrase-Based Translation", Human Language Technology Conference and Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL), p. 127-133, 2003.
24. Douglas W. Oard, David Doermann, Bonnie Dorr, Daqing He, Philip Resnik, Amy Weinberg, William Byrne, Sanjeev Khudanpur, David Yarowsky, Anton Leuski, Philipp Koehn, and Kevin Knight: "Desperately Seeking Cebuano", Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL), p. 76-78, 2003.
25. Philipp Koehn: "Combining Multiclass Maximum Entropy Text Classifiers with Neural Network Voting", Portugal for Natural Language Processing, Third International Conference (PorTAL), p. 125-136, 2002.
26. Philipp Koehn and Kevin Knight: "Knowledge Sources for Word-Level Translation Models", Conference on Empirical Methods in Natural Language Processing (EMNLP), p. 27-35, 2001.
27. Philipp Koehn and Kevin Knight: "Estimating Word Translation Probabilities from Unrelated Monolingual Corpora Using the EM Algorithm", Seventeenth National Conference on Artificial Intelligence (AAAI), p. 711-715, 2000.
28. Yaser Al-Onaizan, Ulrich Germann, Ulf Hermjakob, Kevin Knight, Philipp Koehn, Daniel Marcu, and Kenji Yamada: "Translating with Scarce Resources", Seventeenth National Conference on Artificial Intelligence (AAAI), p. 672-678, 2000.
29. Philipp Koehn, Steven Abney, Julia Hirschberg, and Michael Collins: "Improving Intonational Phrasing with Syntactic Information", International Conference on Acoustics, Speech, and Signal Processing (ICASSP), p. 1289-1290, 2000.
30. Philipp Koehn: "Genetic Encoding Strategies for Neural Networks", Sixth International Conference on Information Processing and Management of Uncertainty (IPMU), p. 947-950, 1996.

Journal Articles

1. Philipp Koehn: "A Process Study of Computed Aided Translation", Machine Translation, accepted for publication, 2009.
2. Yaser Al-Onaizan, Ulrich Germann, Ulf Hermjakob, Kevin Knight, Philipp Koehn, Daniel Marcu, and Kenji Yamada: "Translation with Scarce Bilingual Resources", Machine Translation 17: 1-17, 2002.

Refereed Workshop Papers

1. Hieu Hoang, Philipp Koehn and Adam Lopez "A uniform framework for phrase-based, hierarchical and syntax-based machine translation", International Workshop on Machine Translation (IWSLT), 2009.
2. Loïc Dugast, Jean Senellart and Philipp Koehn: "Statistical Post Editing and Dictionary Extraction: Systran/Edinburgh submissions for ACL-WMT2009", EACL Workshop on Statistical Machine Translation, 2009.
3. Philipp Koehn and Barry Haddow: "Edinburgh’s Submission to all Tracks of the WMT2009 Shared Task with Reordering and Speed Improvements to Moses", EACL Workshop on Statistical Machine Translation, 2009.
4. Michael Auli, Adam Lopez, Hieu Hoang and Philipp Koehn: "A Systematic Analysis of Translation Model Search Spaces", EACL Workshop on Statistical Machine Translation, 2009.
5. Hieu Hoang and Philipp Koehn: "Design of the Moses Decoder for Statistical Machine Translation", ACL Workshop on Software engineering, testing, and quality assurance for NLP, 2008.
6. Loic Dugast, Jean Senellart and Philipp Koehn: "Can we Relearn an RBMT System?", ACL Workshop on Statistical Machine Translation, 2008.
7. Philipp Koehn, Abhishek Arun and Hieu Hoang: "Towards better Machine Translation Quality for the German-English Language Pairs", ACL Workshop on Statistical Machine Translation, 2008.
8. Philipp Koehn and Josh Schroeder: "Experiments in Domain Adaptation for Statistical Machine Translation", ACL Workshop on Statistical Machine Translation, 2007.
9. Alexandra Birch, Miles Osborne and Philipp Koehn: "CCG Supertags in Factored Statistical Machine Translation", ACL Workshop on Statistical Machine Translation, 2007.
10. Loic Dugast, Jean Senellart, Michel Simard and Philipp Koehn: "Statistical Post-Edition on SYSTRAN Rule-Based Translation System", ACL Workshop on Statistical Machine Translation, 2007.
11. Josh Schroeder and Philipp Koehn: "The University of Edinburgh System Description for IWSLT 2007", International Workshop on Spoken Language Translation (IWSLT), 2007.
12. Alexandra Birch, Chris Callison-Burch, Miles Osborne and Philipp Koehn: "Constraining the Phrase-Based, Joint Probability Statistical Translation Model", NAACL Workshop on Statistical Machine Translation, 2006.
13. Abhishek Arun, Amittai Axelrod, and Philipp Koehn: "Edinburgh System Description for the 2006 TC-STAR Spoken Language Translation Evaluation", TC-Star Evaluation Workshop, 2006.
14. Philipp Koehn, Amittai Axelrod, Alexandra Birch Mayne, Chris Callison-Burch, Miles Osborne and David Talbot: "Edinburgh System Description for the 2005 IWSLT Speech Translation Evaluation", International Workshop on Spoken Language Translation (IWSLT), 2005.
15. Philipp Koehn and Kevin Knight: "Learning a Translation Lexicon from Monolingual Corpora", 40th Annual Meeting of the Association for Computational Linguistics (ACL), Workshop on Unsupervised Lexical Acquisition, 2002.

Other Workshop Papers

1. Chris Callison-Burch, Philipp Koehn, Christof Monz and Josh Schroeder: "Findings of the 2009 Workshop on Statistical Machine Translation", EACL Workshop on Statistical Machine Translation, 2009.
2. Chris Callison-Burch, Cameron Fordyce, Philipp Koehn, Christof Monz and Josh Schroeder: "Further Meta-Evaluation of Machine Translation", ACL Workshop on Statistical Machine Translation 2008.
3. Philipp Koehn, Josh Schroeder and Miles Osborne: "Edinburgh University System Description for the 2008 NIST Machine Translation Evaluation", NIST MT Evaluation Meeting, 2008.
4. Chris Callison-Burch, Cameron Fordyce, Philipp Koehn, Christof Monz and Josh Schroeder: "(Meta-) Evaluation of Machine Translation", ACL Workshop on Statistical Machine Translation 2007.
5. Philipp Koehn and Christof Monz: "Philipp Koehn and Christof Monz", NAACL Workshop on Statistical Machine Translation, 2006.
6. Philipp Koehn and Christof Monz: "Shared Task: Statistical Machine Translation between European Languages", ACL Workshop on Parallel Text, 2005.
7. Philipp Koehn, Amittai Axelrod, Alexandra Birch Mayne, Chris Callison-Burch, Miles Osborne, David Talbot, and Michael White: "Edinburgh System Description for the 2005 NIST MT Evaluation", DARPA/NIST Machine Translation Evaluation Workshop 2005.

Patent

1. Daniel Marcu, Kevin Knight, William Wong and Philipp Koehn: "Phrase-Based Joint Probability Model for Statistical Machine Translation", United States Patent 7454326, awarded 2008.

Tutorials

1. Kevin Knight and Philipp Koehn "Topics in Statistical Machine Translation", Meeting of the Association for Computational Linguistics (ACL), 2009.
2. Philipp Koehn et al. "Introduction to Statistical Machine Translation", MT Marathon, EuroMatrix project, 2007, 2008, 2009.
3. Philipp Koehn and Dennis Mehay, "Introduction to Statistical Machine Translation", Meeting of the American Association for Machine Translation (AMTA), 2008.
4. Chris Callison-Burch and Philipp Koehn, "Statistical Machine Translation", European Summer School for Logic, Language and Information (ESSLLI), 2008.
5. Philipp Koehn "AERFAI Summer School Phrase-Based and Factored Statistical Machine Translation", AERFAI Summer School, Basque Country, Spain, 2008.
6. Philipp Koehn and Ashish Venugopal "Statistical Machine Translation", Nordic Doctoral School, Tartu, Estonia, 2007.
7. Kevin Knight and Philipp Koehn "Statistical Machine Translation", Machine Translation Summit, 2007.
8. Philipp Koehn, Kevin Knight, Philip Resnik, and Lauri Gerber "Statistical Machine Translation", Stanford Linguistic Summer School, 2007.
9. Philipp Koehn: "Statistical Machine Translation: The Basic, the Novel, and the Speculative", Meeting of the European Chapter of the Association for Computational Linguistics (EACL), 2006
10. Chris Callison-Burch and Philipp Koehn: "Introduction to Statistical Machine Translation", European Summer School for Logic, Language and Information (ESSLLI), 2005
11. Kevin Knight and Philipp Koehn: "What's New in Statistical Machine Translation?", Human Language Technology Conference and Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL), 2003
12. Kevin Knight and Philipp Koehn: "Introduction to Statistical Machine Translation", Machine Translation Summit IX, 2003; Human Language Technology Conference and Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL), 2004; Meeting of the American Association for Machine Translation (AMTA), 2004

Invited Talks

1. "Human Translation and Machine Translation", International Workshop on Spoken Language Translation, Tokyo, Japan, 2009
2. "Learning from the Web: The Wealth of Data and its Consequences", JOIN Meeting, University of Minho, Braga, Portugal, 2009
3. "Human Translation and Machine Translation", University of California at Berkeley, 2009
4. "Linguistic Problems for Statistical Machine Translation", Stanford University, 2009
5. "20 Years of Statistical Machine Translation", Translingual Europe, Prague, 2009
6. "State of the Art in SMT and SMT Training", TAUS Executive Forum, Edinburgh, 2009
7. "State of the Art in Statistical Machine Translation", workshop with EU translation services, Luxembourg, 2009
8. "Statistical Machine Translation at the University of Edinburgh", Microsoft Research Asia, Beijing, 2008
9. "Introduction to Statistical Machine Translation", Chinese Workshop for Machine Translation, 2008
10. "The German Challenge to Statistical Machine Translation", Polytechnic University of Catalonia, Barcelona, Dublin City University, 2008
11. "The Emerging Role of Grammars in Statistical Machine Translation", Workshop on Formal Grammars, Hamburg, 2008
12. "State of the Art in Statistical Machine Translation", Systran, 2008
13. "Statistical Machine Translation - Where are we now?", SMART project meeting, Bristol, United Kingdom, 2008
14. "Results of the EuroMatrix Shared Task in Machine Translation", Translingual Europe, Berlin, 2008
15. "State of the Art in Statistical Machine Translation", Translingual Europe, Berlin, 2008
16. "Open Source Tools for Statistical Machine Translation", LinguaTech, Rome, Italy, 2008
17. "Moving towards Linguistically Grounded Statistical Machine Translation with an Open Source Research Environment", MT Symposium, Tokyo, Japan, 2008
18. "Moses: Moving Open Source MT towards Linguistically Richer Models", Workshop on Mixing Approaches to Machine Translation (MAMT), 2008
19. "Statistical Machine Translation with an Eye on Linguistics", NLP Winter School 2008, Hyderabad, India, 2008
20. "Linguistic Problems for Statistical Machine Translation", University of Amsterdam, 2007
21. "Statistical Machine Translation - Where are we now?", Research Triangle Institute, North Carolina, USA, 2007
22. "Machine Translation at Edinburgh - Factored Translation Models and Discriminative Training", SRI, San Jose, United States, 2007
23. "EuroMatrix - Machine Translation for all European Languages", Machine Translation Summit, 2007
24. "Evaluating Evaluation - Lessons from the WMT 2007 Shared Task", Machine Translation Summit Workshop on Machine Translation Evaluation, 2007
25. "Statistical Machine Translation: What is Possible Now?", Kasetsart University, Bangkok, Thailand, 2006
26. "EuroMatrix - Machine Translation for all EU Languages", IST, Helsinki, Finland, 2006
27. "Statistical Machine Translation", CLSP Summer School, Johns Hopkins University, Baltimore, 2006
28. "The Wonders of Statistical Machine Translation", University of Sheffield; University of Oxford; Systran, 2006
29. "Challenges in Statistical Machine Translation", Google; University of Edinburgh, 2004
30. "Advances in Statistical Machine Translation: Phrases, Noun Phrases and Beyond", IBM; University of Maryland; Massachusetts Institute of Technology, 2003
31. "Estimating Word Translation Probabilities from Unrelated Monolingual Corpora Using the EM Algorithm", RWTH Aachen, 2000

Panel

Reviewing

Chairing

Editorial Board

PhD Students

External Thesis Committee

Funding