Publications

to appear	Sung, H., Shin, G-H., Jung, B-K., & Shin, J-E. (to appear). L2K-ARG: Introducing and Evaluating a Learner Corpus of Korean Argumentative Writing. International Journal of Learner Corpus Research. Journal article
2026	Kang, S., Sung, M-C., & Sung, H. (2026). Exploring the impact of AI-Driven writing tutor chatbots on adolescent L2 writers’ revision and editing: A complexity, cohesion, and accuracy analysis. International Journal of Applied Linguistics. Journal article Sung, H., & Shin, G-H. (2026). Parser agreement and disagreement in L2 Korean UD: Implications for human-in-the-loop annotation. In Proceedings of the 20th Linguistic Annotation Workshop (LAW-XX). Conference paper Mattu, K., Dhall, A., Naguru, A., Sehgal, S., Gowda, T., & Sung, H. (in press). SAAKTH at BEA 2026 Shared Task 1: L1-Aware English Vocabulary Difficulty Prediction with Hybrid Transformer and Psycholinguistic Features. In Proceedings of the 21st Workshop on Innovative Use of NLP for Building Educational Applications. Conference paper Kyle, K., & Sung, H. (in press). Tagging and Parsing. International Encyclopedia of Language and Linguistics (3rd ed.). Book chapter
2025	Sung, H., & Kyle, K. (2025). ASC analyzer: A Python package for measuring argument structure construction usage in English texts. In Proceedings of the Second Workshop on Construction Grammars and NLP, 41–49, Association for Computational Linguistics. Conference paper Sung, H., & Shin, G-H. (2025). Towards robust morphosyntactic analysis of L2 Korean: Evaluating and fine-tuning a Korean language model. Transactions on Asian and Low-Resource Language Information Processing. Journal article Sung, H., & Wolf, MK., Suhan, M., & Kyle, K. (2025). Lexical richness in young English learners’ writing: A focus on opinion and listen-write task types. Assessing Writing. Journal article Sung, H., & Kyle, K. (2025). Usage-based analysis of L2 oral proficiency: Characteristics of argument structure construction use. Studies in Second Language Acquisition. Journal article Sung, H., Csuros, K., & Sung, M-C. (2025). Comparing human and LLM proofreading in L2 writing: Impact on lexical and syntactic features. In Proceedings of the 20th Workshop on Innovative Use of NLP for Building Educational Applications. Conference paper Sung, H., Shin, G-H., Lee, C., Sung, Y-K., & Jung, B-K. (2025). UD-KSL Treebank v1.3: A semi-automated framework for aligning XPOS-extracted units with UPOS tags. In Proceedings of the 19th Linguistic Annotation Workshop (LAW-XIX). Conference paper Sung, H., & Shin, G-H. (2025). Second language Korean Universal Dependency treebank v1.2: Focus on data augmentation and annotation scheme refinement. In Proceedings of the Workshop on Resources and Representations for Under-Resourced Languages and Domains (RESOURCEFUL-2025). Conference paper
2024	Sung, H., & Kyle, K. (2024). Leveraging pre-trained language models for linguistic analysis: A case of argument structure constructions. In the Association for Computational Linguistics: EMNLP 2024. Conference paper Sung, H., & Shin, G-H. (2024). Constructing a dependency treebank for second language learners of Korean. In LREC-COLING 2024. Conference paper Sung, H., & Kyle, K. (2024). Annotation scheme for English argument structure constructions treebank. In Proceedings of the 18th Linguistic Annotation Workshop (LAW-XVIII). Conference paper Sung, H., Cho, S., & Kyle, K. (2024). An empirical evaluation of lexical diversity indices in L2 Korean writing assessment. Language Assessment Quarterly, 1-22. Journal article
2023	Sung, H., & Shin, G-H. (2023). Diversifying language models for lesser-studied languages and language-usage contexts: A case of second language Korean. In Findings of the Association for Computational Linguistics: EMNLP 2023. Conference paper Kyle, K., Sung, H., Eguchi, M., & Zenker, F. (2023). Evaluating evidence for the reliability and validity of lexical diversity indices in L2 oral task responses. Studies in Second Language Acquisition, 1-22. Journal article Sung, H., & Shin, G-H. (2023). Towards L2-friendly pipelines for learner corpora: A case of written production by L2-Korean learners. In Proceedings of the 18th Workshop on Innovative Use of NLP for Building Educational Applications, 72-82, Association for Computational Linguistics. Conference paper Kyle, K., & Sung, H. (2023). An argument structure construction treebank. In Proceedings of the Workshop on Construction Grammars and NLP, 51–62, Association for Computational Linguistics. Conference paper
2019	Sung, H. (2019). Korean EFL learners’ processing of English caused-motion construction, English Teaching, 74(1), 49-73. Journal article