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Hahn Koo

Department of Linguistics and Language Development
San Jose State University
One Washington Square
San Jose, CA, 95192-0093, U.S.A.

T: +1.408.924.7093
E: hahn *dot* koo *AT* sjsu *dot* edu

Employment

08/2014 - Present, Associate Professor, Department of Linguistics and Language Development, San Jose State University, San Jose, CA, U.S.A.
08/2008 - 08/2014, Assistant Professor, Department of Linguistics and Language Development, San Jose State University, San Jose, CA, U.S.A.
01/2008 - 06/2008, Text-to-speech synthesis specialist, Nuance Communications, Merelbeke, Belgium
05/2005 - 08/2005, Intern, Center for Human Interaction Research, Motorola Labs, Schaumburg, IL, U.S.A.
05/2004 - 08/2004, Intern, Center for Human Interaction Research, Motorola Labs, Schaumburg, IL, U.S.A.

Education

University of Illinois at Urbana-Champaign, Urbana, IL, U.S.A.
- Ph.D. in Linguistics, 2007
- Thesis: Change in the adult phonological processing system by learning non-adjacent phonotactic constraints from brief experience: An experimental and computational study [pdf]
- Committee: Richard Sproat, Jennifer Cole, Gary Dell, Cynthia Fisher
Seoul National University, Seoul, Korea
- B.A. in English Language and Literature, 2002

Courses taught at SJSU

LING 20: Nature of Language
LING 101: Introduction to Linguistics
LING 113: Introduction to Phonology
LING 115: Corpus Linguistics
LING 123: Sound and Communication
LING 124: Introduction to Speech Technology
LING 161: Psycholinguistics
LING 162: Introduction to Morphology
LING 165: Introduction to Natural Language Processing
LING 201: Phonology - Theory and Applications

Funding

Koo, H. (PI), "Annotation of a speech database collected from Chinese, Japanese, and Korean learners of English", Naver Corporation, 08/2015 - 01/2017, $355,713.
Koo, H. (PI), "Development of American English multiple pronunciation lexicon", Electronics and Telecommunications Research Institute, 07/2011 - 09/2011, $50,000.
Koo, H. (PI), "Development of the multilingual grapheme-to-phoneme conversion and part-of-speech tagging modules", Electronics and Telecommunications Research Institute, 07/2010 - 01/2011, $100,000.
Koo, H. (PI), "Performance enhancement of the multilingual (Canadian French, Mexican Spanish) grapheme-to-phoneme conversion module", Electronics and Telecommunications Research Institute, 04/2009 - 09/2009, $50,000.
Koo, H. (PI), "Development of multilingual (Canadian French, Mexican Spanish) grapheme-to-phoneme conversion module", Electronics and Telecommunications Research Institute, 09/2008 - 01/2009, $50,000.

Papers

Frazier, S., & Koo, H. (2019). The use of the English progressive form in discourse: An analysis of a corpus of interview data. Corpus Pragmatics, 3(2), 145-171. 10.1007/s41701-018-00050-9
Frazier, S., & Koo, H. (2019). Discourse-pragmatic functions of the present perfect in American English TV and radio interviews. Text & Talk, 39(1), 77-98. doi:10.1515/text-2018-2019
Kataoka, R., & Koo, H. (2017). Comparing malleability of phonetic category between [i] and [u]. Journal of the Acoustical Society of America, 142(1), EL42-EL48. doi:10.1121/1.4986422
Kataoka, R., & Koo, H. (2016). Is perceptual learning influenced by inherent variability of phonetic category? Journal of the Acoustical Society of America, 139(4), 2014. doi:10.1121/1.4949928
Koo, H. (2015). An unsupervised method for identifying loanwords in Korean. Language Resources and Evaluation, 49(2), 355-373. doi:10.1007/s10579-015-9296-5
Koo, H., & Oh, Y.-i. (2013). Beyond tier-based bigrams: an artificial grammar learning study. Language Sciences, 38, 53-58. doi:10.1016/j.langsci.2013.01.004
Koo, H., & Callahan, L. (2012). Tier-adjacency is not a necessary condition for learning phonotactic dependencies. Language and Cognitive Processes, 27(10), 1425-1432. doi:10.1080/01690965.2011.603933
Koo, H. (2011). A weighted finite state transducer implementation of phoneme rewrite rules for English-to-Korean pronunciation conversion. Procedia - Social and Behavioral Sciences, 27, 202-208. doi:10.1016/j.sbspro.2011.10.599
Koo, H. (2011). A statistical model of Korean loanword phonology. In Ho-min Sohn, et al. (Eds.): Japanese/Korean Linguistics, 19 (pp. 15-26), Stanford, CA: CSLI Publications.
Koo, H. (2010). Perplexity of bi-phone phonotactic models in Korean loanword phonology. Proceedings of the 2010 Seoul International Conference on Linguistics.
Koo, H., & Cole, J. (2009). Gradient perceptual facilitation from phonotactic knowledge. Proceedings from the Annual Meeting of the Chicago Linguistic Society, 43(1), 167-181.
Koo, H., & Oh, Y.-i. (2007). Onset-to-onset probability and gradient acceptability in Korean. Language Research, 43(2), 287-307.
Koo, H., & Cheng, Y. M. (2006). Incremental learning of MAP context-dependent edit operations for spoken phone number recognition in an embedded platform. In Proceedings of ISCA International Conference on Spoken Language Processing, INTERSPEECH 2006 (pp. 2310-2313).
Koo, H., & Cole, J. (2006). On learnability and naturalness as constraints on phonological grammar. In Antonis Botinis (Ed.): Proceedings of ISCA Tutorial and Research Workshop on Experimental Linguistics (pp. 165-168). Athens: University of Athens.

Talks

"Comparing malleability of phonetic category between [i] and [u]". (with Reiko Kataoka) Invited talk presented at the Berkeley Phonetics and Phonology Forum, April 16, 2018.
"Using sub-lexical statistics to find loanwords in unlabeled monolingual corpora: A case study in Korean". Invited talk presented at the Phonetics and Phonology Workshop, Stanford University, November 20, 2015.
"Detecting and recovering transliterated foreign words". Invited talk presented at the eBay Language Technology Forum, San Jose, CA, U.S.A., March 21, 2014.
"An unsupervised method for identifying foreign loanwords in Korean". Invited talk presented at the Department of English Language and Literature, Seoul National University, Seoul, South Korea, July 4, 2012.
"On contiguity and similarity as constraints on phonotactic learning". Invited talk presented at the UCLA Linguistics Colloquium, Los Angeles, CA, U.S.A., October 28, 2011.
"A weighted finite state transducer implementation of phoneme rewrite rules for English-to-Korean pronunciation conversion". Poster presented at The 12th Conference of the Pacific Association for Computational Linguistics (PACLING2011), Kuala Lumpur, Malaysia, July 19, 2011.
"Perplexity of bigram models of phonotactics in Korean loanword phonology". Paper presented at The 2010 Seoul International Conference on Linguistics, Seoul, South Korea, June 24, 2010.
"Statistical model of Korean loanword phonology". Paper presented at The 19th Japanese/Korean Linguistics Conference, Honolulu, U.S.A, November 12, 2009.
"Phonotactic learning beyond tier-adjacency". Paper presented at The 83rd Annual Meeting of the Linguistic Society of America, San Francisco, U.S.A., January 11, 2009.
"Noisy channel model for error correction in speech and language technology". Invited talk presented at San Jose State University, February 28, 2008.
"Effect of onset-to-onset probability on non-word speech processing". (with Young-il Oh) Paper presented at The 82nd Annual Meeting of the Linguistic Society of America, Chicago, U.S.A., January 3, 2008.
"Using an error corrective post-processor to improve speech recognition accuracy". Invited talk presented at AT&T Labs-Research, May 22, 2007.
"Gradient perceptual facilitation from phonotactic knowledge". (with Jennifer Cole) Paper presented at The 43rd Annual Meeting of the Chicago Linguistic Society, Chicago, U.S.A., May 3, 2007.
"Confusability and perceptual facilitation from knowledge of phonotactic constraints". Invited talk presented at San Jose State University, March 1, 2007.
"Gradience in performance does not necessarily mean gradience in grammar: Evidence from artificial grammar learning experiments". Linguistics Departmental Seminar, University of Illinois at Urbana Champaign, February 22, 2007.
"Complexity and perceptual factors in phonotactic learning: Evidence from artificial grammar learning". (with Jennifer Cole) Paper presented at The 81st Annual Meeting of the Linguistic Society of America, Anaheim, U.S.A., January 5, 2007.
"Incremental learning of MAP context-dependent edit operations for spoken phone number recognition in an embedded platform". (with Yan Ming Cheng) Poster presented at ISCA International Conference on Spoken Language Processing, INTERSPEECH 2006, Pittsburgh, U.S.A., September 21, 2006.
"On learnability and naturalness as constraints on phonological grammar". (with Jennifer Cole) Paper presented at ISCA Tutorial and Research Workshop on Experimental Linguistics, Athens, Greece, August 29, 2006.

Service

Reviewer for Language, Phonology, Laboratory Phonology, Linguistics Applied, Linguistics and Language Compass, ACL, IJCNLP
Director, Center for Human Language Technology, San Jose State University, 08/2008 - Present
University site coordinator at SJSU for the North American Computational Linguistics Olympiad, 02/2011 - 02/2014
Local organization committee for the 83rd Annual Meeting of the Linguistic Society of America, 01/2009

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