I am on leave for the Academic Year of 2019-2020; I am currently a rotating Program Director at the National Science Foundation.

Research Interests

Natural language processing, machine learning, artificial intelligence, and human computer interaction.

Recent Publications

Changsheng Liu and Rebecca Hwa. 2019. A Generalized Idiom Usage Recognition Model based on Semantic Compatibility. In The Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence (AAAI 2019), Honolulu, Hawaii.

Mingda Zhang, Adriana Kovashka, and Rebecca Hwa. 2018. Equal But Not The Same: Understanding the Implicit Relationship Between Persuasive Images and Text. In The Proceedings of the 29th British Machine Vision Conference (BMVC), Newcastle, UK.

Omid Kashefi, Andrew T. Lucas, and Rebecca 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.

Homa B. Hashemi and Rebecca Hwa. 2018. Jointly Parse and Fragment Ungrammatical Sentences. In the Proceedings of Thirty-Second AAAI Conference on Artificial Intelligence, New Orleans, LA.

Gaurav Trivedi, Phuong Pham, Wendy W Chapman, Rebecca Hwa, Janyce Wiebe, Harry Hochheiser. 2018. 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.

Fan Zhang, Homa B. Hashemi, Rebecca Hwa and Diane Litman. 2017. A Corpus of Annotated Revisions for Studying Argumentative Writing. In the Proceedings of Association for Computational Linguistics (ACL), Vancouver, Canada.

Changsheng Liu and Rebecca 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.


PhD Students
  • Meiqi Guo
  • Omid Kashefi
  • Mingda Zhang (Co-Advising with Prof. Adriana Kovashka)
Past PhD Students


Office Hours

By appointment.