Research Interests

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

Recent Publications

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.

Changsheng Liu and Rebecca Hwa. 2016. Phrasal Substitution of Idiomatic Expressions. In the Proceedings of The 15th Annual Conference of the NAACL/HLT, San Diego, California.

Homa Hashemi and Rebecca Hwa. 2016. An Evaluation of Parser Robustness for Ungrammatical Sentences. To appear in the Proceedings of Empirical Methods in Natural Language Processing (EMNLP), Austin, Texas.

Homa Hashemi and Rebecca 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.

Fan Zhang, Rebecca Hwa, Diane Litman and Homa B. 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)


PhD Students Past PhD Students


CS1538 Introduction to Simulations [1704]

Office Hours

MW 12:30-1:30pm or by appointment.