For more recent publications, please visit my Google Scholar or Semantic Scholar profile.

Journal Papers

  • G. Trivedi, P. Pham, W. Chapman, R. Hwa, J. Wiebe, H. Hochheiser. NLPReViz: an interactive tool for natural language processing on clinical text. Journal of the American Medical Informatics Association, Volume 25, Issue 1, 1 January 2018, Pages 81-87.
  • J. Albrecht, R. Hwa, and G. E. Marai. The Chinese Room: Visualization and Interaction to Understand and Correct Ambiguous Machine Translation. Computer Graphics Forum, Vol. 28, No. 3.
  • J. Albrecht and R. Hwa, Regression for Machine Translation Evaluation at the Sentence Level. Machine Translations. No. 22, vol.1-2. Draft available upon request.
  • K. Liu, W. Chapman, R. Hwa, and R. Crowley. 2007. Heuristic Sample Selection to Minimize Reference Standard Training Set for a Part-of-Speech Tagger (final draft version). Journal of the American Medical Informatics Association, No. 14, Vol. 5.
  • T. Wilson, J. Wiebe, and R. Hwa. 2006. Recognizing Strong and Weak Opinion Clauses. In Computational Intelligence.
  • R. Hwa, P. Resnik, A. Weinberg, C. Cabezas, and O. Kolak. Bootstrapping Parsers via Syntactic Projection across Parallel Texts. Special Issue of the Journal of Natural Language Engineering on Parallel Texts, Eds. Rada Mihalcea and Michel Simard. 11:3, pp. 311-325, 2005.
  • R. Hwa. Sample selection for statistical parsing. Computational Linguistics 30:3, 2004.
  • B. Dorr, N. Ayan, N. Habash, N. Madnani, and R. Hwa. Rapid Porting of DUSTer to Hindi, ACM Transactions on Asian Language Information Processing (TALIP), 2:3, 2003.
  • N.F. Otani and R. Hwa. Topological considerations in the generation of scroll waves in excitable and cyclical media. Physica D, 77, pp 434-455, 1994. (pdf unavailable)

Refereed Conference and Workshop Papers

  • H. Hashemi and R. Hwa. 2018. Jointly Parse and Fragment Ungrammatical Sentences. In the Proceedings of Thirty-Second AAAI Conference on Artificial Intelligence, New Orleans, Louisiana.
  • O. Kashefi, A. T. Lucas, and R. Hwa. 2018. Semantic Pleonasm Detection. In the Proceedings of The 16th Annual Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Short Paper Track), June 2018, New Orleans, LA.
  • M. Zhang, A. Kovashka, and R. Hwa. 2018. Equal But Not The Same: Understanding the Implicit Relationship Between Persuasive Images and Text. To appear in The Proceedings of the 29th British Machine Vision Conference (BMVC), Newcastle, UK.
  • C. Liu and R. Hwa. 2017. Representations of Context in Recognizing the Figurative and Literal Usages of Idioms. In The Proceedings of Thirty-First AAAI Conference on Artificial Intelligence, San Francisco, California.
  • F. Zhang, H. Hashemi, R. Hwa and D. Litman. 2017. A Corpus of Annotated Revisions for Studying Argumentative Writing. In the Proceedings of Association for Computational Linguistics (ACL), Vancouver, Canada.
  • H. Hashemi and R. Hwa. 2016. An Evaluation of Parser Robustness for Ungrammatical Sentences. In the Proceedings of Empirical Methods in Natural Language Processing (EMNLP), Austin, Texas.
  • H. Hashemi and R. Hwa. 2016. Parse Tree Fragmentation of Ungrammatical Sentences. In the Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI), New York City, New York.
  • C. Liu and R. Hwa. 2016. Phrasal Substitution of Idiomatic Expressions. In the Proceedings of The 15th Annual Conference of the NAACL/HLT, San Diego, California.
  • F. Zhang, R. Hwa, D. Litman, and H. Hashemi. 2016. ArgRewrite: A Web-based Revision Assistant for Argumentative Writings. Proceedings Conference of the North American Chapter of the Association for Computational Linguistics: Demonstrations (NAACL-HLT), pp. 37-41, San Diego, CA, June. (demo paper).
  • G. Trivedi, P. Pham, W. Chapman, R. Hwa, J. Wiebe, and H. Hochheiser. 2015. Bridging the Natural Language Processing Gap: An Interactive Clinical Text Review Tool. Poster presented at the 2015 AMIA Summit on Clinical Research Informatics (CRI 2015). San Francisco. March 2015.
  • H. Xue and R. Hwa. 2014. Improved Correction Detection in Revised ESL Sentences. In The Proceedings of The 52nd Annual Meeting of the Association for Computational Linguistics (ACL short), Baltimore, Maryland.
  • H. Xue and R. Hwa. 2014. Redundancy Detection in ESL Writings. In The Proceedings of the 14th Conference of the European Chapter of the Association for Computational Linguistics (EACL), Gothenburg, Sweden.
  • H. Hashemi and R. Hwa. 2014. A Comparison of MT Errors and ESL Errors. In the Proceedings of the 9th edition of the Language Resources and Evaluation Conference (LREC-2014), Reykjavik, Iceland.
  • P. Pham, J. Wiebe, R. Hwa, W. Chapman 2013. Automated Annotation of Colonoscopy Reports. Poster presented at the 2013 AMIA Summit on Clinical Research Informatics (CRI 2013).
  • S. Lu, Y. Ye, R. Tsui, X. Liu, R. Hwa. Feature Selection for 30-Day Heart Failure Read- mission Prediction Using Clinical Drug Data. NIPS Workshop on Machine Learning for Clinical Data Analysis and Healthcare, 2013.
  • A. Conrad, H. Hochheiser, W. Chapman, R. Hwa, and J. Wiebe. 2013. Tightly-Coupled Natural Language Processing and Visualization for Electronic Medical Record Chart Review. Poster presented at the 2013 AMIA Summit on Clinical Research Informatics (CRI 2013).
  • H. Xue and R. Hwa. 2012. Modeling ESL Word Choice Similarities By Representing Word Intensions and Extensions. Proceedings of the 24th International Conference on Computational Linguistics(COLING).
  • A. Conrad, J. Wiebe, and R. Hwa. 2012. Recognizing Arguing Subjectivity and Argument Tags. ACL Workshop on Extra-propositional aspects of Meaning.
  • M. Grabmair, K.D. Ashley, R. Hwa and P.M. Sweeney. 2011. Toward Extracting Information from Public Health Statutes using Text Classification and Machine Learning. In Jurix 2011: The 24th Annual Conference, pp. 73-82 (Katie M. Atkinson ed.) IOS Press 2011.
  • B. Mohit and R. Hwa. 2010 Using Variable Decoding Weight for Language Model in Statistical Machine Translation. To appear in the Proceedings of the 9th Conference of the Association for Machine Translation in the Americas.
  • F. Liberato, B. Mohit, and R. Hwa. 2010. Improving Phrase-Based Translation with Prototypes of Short Phrases. In the Proceedings of the 11th Annual Conference of the NAACL/HLT (short paper track), Los Angeles, CA.
  • H. Xue and R. Hwa. 2010. Syntax-Driven Machine Translation as a Model of ESL Revision. In the Proceedings of COLING 2010: Posters, Beijing, China.
  • J. Albrecht, R. Hwa, and G. E. Marai. 2009. Correcting Automatic Translations through Collaborations between MT and Monolingual Target-Language Users. In The Proceedings of the 12th Conference of the European Chapter of the ACL (EACL-2009), Athens, Greece.
  • B. Mohit, F. Liberato, and R. Hwa. 2009. Language Model Adaptation for Difficult-to-Translate Phrases. In The Proceedings of the 13th Annual Conference of the European Association for Machine Translation (EAMT-09), Barcelona, Spain.
  • J. Albrecht and R. Hwa. 2008. The Role of Pseudo References in MT Evaluation. In The Proceedings of the 3rd ACL Workshop on Statistical Machine Translations, Columbus, OH.
  • N. A. Smith, M. Heilman, and R. Hwa. 2008. Question Generation as a Competitive Undergraduate Course Project In The Proceedings of the NSF Workshop on the Question Generation Shared Task and Evaluation Challenge, Arlington, VA.
  • J. Albrecht and R. Hwa. 2007. A Re-examination of Machine Learning Approaches for Sentence-Level MT Evaluation. In The Proceedings of the 45th Annual Meeting of the ACL, Prague, Czech Republic.
  • J. Albrecht and R. Hwa. 2007. Regression for Sentence-Level MT Evaluation with Pseudo References. To appear in the Proceedings of the 45th Annual Meeting of the ACL, Prague, Czech Republic.
  • B. Mohit and R. Hwa. 2007. Localization of Difficult-to-Translate Phrases. In The Proceedings of the 2nd ACL Workshop on Statistical Machine Translations, Prague, Czech Republic.
  • M. Mylonakis, K. Sima'an, and R. Hwa. 2007. Unsupervised Estimation for Noisy-Channel Models. To appear in Proceedings of International Conference of Machine Learning (ICML), Corvallis, Oregon.
  • R. Hwa, C. Nichols, K. Sima'an. 2006. Corpus Variations for Translation Lexicon Induction. In The Proceedings of the seventh conference of the Association for Machine Translation in the Americas. (Poster session), Cambridge, MA.
  • C. Xi and R. Hwa. 2005. A Backoff Model for Bootstrapping Resources for Non-English Languages. In The Proceedings of HLT/EMNLP-05, Vancouver, Canada. (NB: this version has a few typos corrected).
  • B. Mohit and R. Hwa. 2005. Syntax-based Semi-Supervised Named Entity Tagging. In The Proceedings of the 43rd Meeting of the ACL (short paper companion volume), Ann Arbor, Michigan.
  • C. Nichols and R. Hwa. 2005. Word Alignment and Cross-Lingual Resource Acquisition. In The Proceedings of the 43rd Meeting of the ACL (short paper companion volume), Ann Arbor, Michigan.
  • T. Wilson, J. Wiebe, and R. Hwa. 2004. Just how mad are you? Finding strong and weak opinion clauses. In the Proceedings of AAAI-2004.
  • B. Maeireizo, D. Litman, and R. Hwa. 2004. Co-training for Predicting Emotions with Spoken Dialogue Data. In the Proceedings of the 42nd Annual Meeting of the ACL (short paper companion volume).
  • M. Steedman, R. Hwa, S. Clark, M. Osborne, A. Sarkar, J. Hockenmaier, P. Ruhlen, S. Baker, and J. Crim. 2003. Example Selection for Bootstrapping Statistical Parsers. In the Proceedings of the Human Language Technology Conference/North American Chapter of the Association for Computational Linguistics (HLT/NAACL-2003), Edmonton, Canada.
  • M. Steedman, M. Osborne, A. Sarkar, S. Clark, R. Hwa, J. Hockenmaier, P. Ruhlen, S. Baker, and J. Crim. 2003. Bootstrapping Statistical Parsers from Small Datasets. In the Proceedings of the Tenth Conference of the European Chapter of the ACL, Budapest, Hungary,
  • R. Hwa, M. Osborne, A. Sarkar, M. Steedman. 2003. Corrected Co-training for Statistical Parsers. In the Proceedings of the Workshop on the Continuum from Labeled to Unlabeled Data in Machine Learning and Data Mining, International Conference of Machine Learning, Washington D.C.
  • R. Hwa, P. Resnik, A. Weinberg, and O. Kolak. 2002. Evaluating Translational Correspondence using   Annotation Projection. In the Proceedings of the 40th Annual Meeting of the ACL, Philadelphia, PA.
  • B. Dorr, L. Pearl, R. Hwa, and N. Habash. 2002. Unraveling MT Divergences: Linguistic Knowledge for Statistical Word-Level Alignment. In the proceedings of the fifth conference of the Association for Machine Translation in the Americas.
  • R. Hwa, P. Resnik, and A. Weinberg. 2002. Breaking the Resource Bottleneck for Multilingual Parsing. In the Proceedings of the Workshop on Linguistic Knowledge Acquisition and Representation: Bootstrapping Annotated Language Data, Third International Conference on Language Resources and Evaluation (LREC-2002), Las Palmas, Canary Islands, Spain
  • A. Lopez, M. Nossal, R. Hwa, and P. Resnik. 2002. Word-level Alignment for Multilingual Resource Acquisition. In the Proceedings of the Workshop on Linguistic Knowledge Acquisition and Representation: Bootstrapping Annotated Language Data, Third International Conference on Language Resources and Evaluation (LREC-2002), Las Palmas, Canary Islands, Spain.
  • R. Hwa. 2001. On minimizing training corpus for parser acquisition. In the Proceedings of the Fifth Computational Natural Language Learning Workshop.
  • R. Hwa. 2000. Sample selection for statistical grammar induction. In the Proceedings of the 2000 Joint SIGDAT Conference on Empirical Methods in Natural Language Processing and Very Large Corpora.
  • R. Hwa. 1999. Supervised Grammar Induction using Training Data with Limited Constituent Information. In the Proceedings of the 37th Annual Meeting of the ACL.
  • R. Hwa. 1998. An Empirical Evaluation of Probabilistic Lexicalized Tree Insertion Grammars. In the Proceedings of ACL-COLING 1998.

Dissertation

Technical Reports

  • R. Hwa. Evaluation of two connectionist approaches to stack representation. Technical Report TR-08-97, Division of Engineering and Applied Sciences, Harvard University, 1997.
  • R. Hwa, J. Marks, and S. Shieber. Automatic structuring of high-performance hypermedia documents. Technical Report TR95-06, Mitsubishi Electric Research Laboratories, 1995.