Towards L2-friendly pipelines for learner corpora: A case of written production by L2-Korean learners. - Hakyung Sung; Gyu-Ho Shin (BEA@ACL, 2023)

Diversifying language models for lesser-studied languages and language-usage contexts: A case of second language Korean. - Hakyung Sung; Gyu-Ho Shin (EMNLP (Findings), 2023)

Constructing a Dependency Treebank for Second Language Learners of Korean. - Hakyung Sung; Gyu-Ho Shin (LREC/COLING, 2024)

Leveraging pre-trained language models for linguistic analysis: A case of argument structure constructions. - Hakyung Sung; Kristopher Kyle (EMNLP, 2024)

Second language Korean Universal Dependency treebank v1.2: Focus on data augmentation and annotation scheme refinement. - Hakyung Sung; Gyu-Ho Shin (CoRR, 2025)

UD-KSL Treebank v1.3: A semi-automated framework for aligning XPOS-extracted units with UPOS tags. - Hakyung Sung; Gyu-Ho Shin; Chanyoung Lee; You Kyung Sung; Boo Kyung Jung (CoRR, 2025)

Comparing human and LLM proofreading in L2 writing: Impact on lexical and syntactic features. - Hakyung Sung; Karla Csürös; Min-Chang Sung (CoRR, 2025)