| 2026 | AAAI | WaterMod: Modular Token-Rank Partitioning for Probability-Balanced LLM Watermarking. | Shinwoo Park, Hyejin Park, Hyeseon Ahn, Yo-Sub Han |
| 2026 | ACL | RV-HATE: Reinforced Multi-Module Voting for Implicit Hate Speech Detection. | Yejin Lee, Hyeseon An, Yo-Sub Han |
| 2026 | ACL | ContractEval: A Benchmark for Evaluating Contract-Satisfying Assertions in Code Generation. | Soohan Lim, Joonghyuk Hahn, Hyunwoo Park, Sang-Ki Ko, Yo-Sub Han |
| 2026 | ACL | A Linguistics-Aware LLM Watermarking via Syntactic Predictability. | Shinwoo Park, Hyejin Park, Hyeseon An, Yo-Sub Han |
| 2026 | EACL | DITTO: A Spoofing Attack Framework on Watermarked LLMs via Knowledge Distillation. | Hyeseon An, Shinwoo Park, Suyeon Woo, Yo-Sub Han |
| 2026 | EACL | Query4Regex: Verifiable Regex Transformation through Formal Operations from NL and DSL Queries. | Joonghyuk Hahn, Yo-Sub Han |
| 2026 | EACL | A Regex Minimization Benchmark: A PSPACE-Complete Challenge for Language Models. | Hyundong Jin, Joonghyuk Hahn, Yo-Sub Han |
| 2026 | EACL | Marking Code Without Breaking It: Code Watermarking for Detecting LLM-Generated Code. | Jungin Kim, Shinwoo Park, Yo-Sub Han |
| 2026 | EACL | Repairing Regex Vulnerabilities via Localization-Guided Instructions. | Sicheol Sung, Joonghyuk Hahn, Yo-Sub Han |
| 2025 | ACL | KatFishNet: Detecting LLM-Generated Korean Text through Linguistic Feature Analysis. | Shinwoo Park, Shubin Kim, Do-Kyung Kim, Yo-Sub Han |
| 2025 | COLING | Analyzing Offensive Language Dataset Insights from Training Dynamics and Human Agreement Level. | Do Kyung Kim, Hyeseon Ahn, Youngwook Kim, Yo-Sub Han |
| 2025 | DLT | Pattern Mining Under Simon's Congruence. | Sungmin Kim, Yo-Sub Han |
| 2025 | EMNLP | CodeComplex: Dataset for Worst-Case Time Complexity Prediction. | Seung-Yeop Baik, Joonghyuk Hahn, Jungin Kim, Aditi, Mingi Jeon, Yo-Sub Han, Sang-Ki Ko |
| 2025 | EMNLP | TrapDoc: Deceiving LLM Users by Injecting Imperceptible Phantom Tokens into Documents. | Hyundong Jin, Sicheol Sung, Shinwoo Park, Seung-Yeop Baik, Yo-Sub Han |
| 2025 | EMNLP | AmpleHate: Amplifying the Attention for Versatile Implicit Hate Detection. | Yejin Lee, Joonghyuk Hahn, Hyeseon Ahn, Yo-Sub Han |
| 2025 | EMNLP | Mondrian: A Framework for Logical Abstract (Re)Structuring. | Elizabeth Orwig, Shinwoo Park, Hyundong Jin, Yo-Sub Han |
| 2025 | ICDE | Neural Quantum Embeddings with Multiple Control Variables. | Seung-Yeop Baik, Yo-Sub Han |
| 2025 | IJCAI | LogiCase: Effective Test Case Generation from Logical Description in Competitive Programming. | Sicheol Sung, Aditi, Dogyu Kim, Yo-Sub Han, Sang-Ki Ko |
| 2025 | ICST | Impact of Large Language Models of Code on Fault Localization. | Suhwan Ji, Sanghwa Lee, Changsup Lee, Yo-Sub Han, Hyeonseung Im |
| 2025 | NAACL | TCProF:Time-Complexity Prediction SSL Framework. | Joonghyuk Hahn, Hyeseon Ahn, Jungin Kim, Soohan Lim, Yo-Sub Han |
| 2024 | ACL | SharedCon: Implicit Hate Speech Detection using Shared Semantics. | Hyeseon Ahn, Youngwook Kim, Jungin Kim, Yo-Sub Han |
| 2024 | COLING | SuperST: Superficial Self-Training for Few-Shot Text Classification. | Ju Hyoung Lee, Joonghyuk Hahn, Hyeon-Tae Seo, Jiho Park, Yo-Sub Han |
| 2024 | DLT | Universal Rewriting Rules for the Parikh Matrix Injectivity Problem. | Ingyu Baek, Joonghyuk Hahn, Yo-Sub Han, Kai Salomaa |
| 2024 | DLT | Approximate Cartesian Tree Pattern Matching. | Sungmin Kim, Yo-Sub Han |
| 2023 | DLT | Weak Inverse Neighborhoods of Languages. | Hyunjoon Cheon, Yo-Sub Han |
| 2023 | DLT | On the Simon's Congruence Neighborhood of Languages. | Sungmin Kim, Yo-Sub Han, Sang-Ki Ko, Kai Salomaa |
| 2023 | EACL | Contrastive Learning with Keyword-based Data Augmentation for Code Search and Code Question Answering. | Shinwoo Park, Youngwook Kim, Yo-Sub Han |
| 2023 | EMNLP | GDA: Grammar-based Data Augmentation for Text Classification using Slot Information. | Joonghyuk Hahn, Hyunjoon Cheon, Elizabeth Orwig, Su-Hyeon Kim, Sang-Ki Ko, Yo-Sub Han |
| 2023 | EMNLP | ATHENA: Mathematical Reasoning with Thought Expansion. | JB. Kim, Hazel Kim, Joonghyuk Hahn, Yo-Sub Han |
| 2023 | EMNLP | ConPrompt: Pre-training a Language Model with Machine-Generated Data for Implicit Hate Speech Detection. | Youngwook Kim, Shinwoo Park, Youngsoo Namgoong, Yo-Sub Han |
| 2023 | ESOP | Automated Grading of Regular Expressions. | Su-Hyeon Kim, Youngwook Kim, Yo-Sub Han, Hyeonseung Im, Sang-Ki Ko |
| 2022 | AAAI | ALP: Data Augmentation Using Lexicalized PCFGs for Few-Shot Text Classification. | Hazel H. Kim, Daecheol Woo, Seong Joon Oh, Jeong-Won Cha, Yo-Sub Han |
| 2022 | COLING | Generalizable Implicit Hate Speech Detection Using Contrastive Learning. | Youngwook Kim, Shinwoo Park, Yo-Sub Han |
| 2022 | COLING | Boosting Code Summarization by Embedding Code Structures. | Jikyoeng Son, Joonghyuk Hahn, HyeonTae Seo, Yo-Sub Han |
| 2022 | DLT | On the Decidability of Infix Inclusion Problem. | Hyunjoon Cheon, Joonghyuk Hahn, Yo-Sub Han |
| 2022 | ISAAC | Simon's Congruence Pattern Matching. | Sungmin Kim, Sang-Ki Ko, Yo-Sub Han |
| 2021 | AAAI | SALNet: Semi-supervised Few-Shot Text Classification with Attention-based Lexicon Construction. | Ju Hyoung Lee, Sang-Ki Ko, Yo-Sub Han |
| 2021 | COCOON | Most Pseudo-copy Languages Are Not Context-Free. | Hyunjoon Cheon, Joonghyuk Hahn, Yo-Sub Han, Sang-Ki Ko |
| 2021 | ECOOP | Do Bugs Propagate? An Empirical Analysis of Temporal Correlations Among Software Bugs. | Xiaodong Gu, Yo-Sub Han, Sunghun Kim, Hongyu Zhang |
| 2021 | EMNLP | Self-Training using Rules of Grammar for Few-Shot NLU. | Joonghyuk Hahn, Hyunjoon Cheon, Kyuyeol Han, Cheongjae Lee, Junseok Kim, Yo-Sub Han |
| 2021 | EMNLP | MultiFix: Learning to Repair Multiple Errors by Optimal Alignment Learning. | HyeonTae Seo, Yo-Sub Han, Sang-Ki Ko |
| 2020 | DLT | Computing the Shortest String and the Edit-Distance for Parsing Expression Languages. | Hyunjoon Cheon, Yo-Sub Han |
| 2019 | ACL | Online Infix Probability Computation for Probabilistic Finite Automata. | Marco Cognetta, Yo-Sub Han, Soon Chan Kwon |
| 2019 | DLT | The Relative Edit-Distance Between Two Input-Driven Languages. | Hyunjoon Cheon, Yo-Sub Han, Sang-Ki Ko, Kai Salomaa |
| 2019 | EMNLP | SoftRegex: Generating Regex from Natural Language Descriptions using Softened Regex Equivalence. | Jun-U. Park, Sang-Ki Ko, Marco Cognetta, Yo-Sub Han |
| 2018 | DLT | Site-Directed Deletion. | Da-Jung Cho, Yo-Sub Han, Hwee Kim, Kai Salomaa |
| 2018 | DLT | Closest Substring Problems for Regular Languages. | Yo-Sub Han, Sang-Ki Ko, Timothy Ng, Kai Salomaa |
| 2018 | DNA | Construction of Geometric Structure by Oritatami System. | Yo-Sub Han, Hwee Kim |
| 2018 | DNA | Transcript Design Problem of Oritatami Systems. | Yo-Sub Han, Hwee Kim, Shinnosuke Seki |
| 2018 | EMNLP | Incremental Computation of Infix Probabilities for Probabilistic Finite Automata. | Marco Cognetta, Yo-Sub Han, Soon Chan Kwon |
| 2017 | DNA | Ruleset Optimization on Isomorphic Oritatami Systems. | Yo-Sub Han, Hwee Kim |
| 2017 | IWCIA | Template-Based Pattern Matching in Two-Dimensional Arrays. | Yo-Sub Han, Daniel Prusa |
| 2017 | LATA | Consensus String Problem for Multiple Regular Languages. | Yo-Sub Han, Sang-Ki Ko, Timothy Ng, Kai Salomaa |
| 2017 | SOFSEM | Edit-Distance Between Visibly Pushdown Languages. | Yo-Sub Han, Sang-Ki Ko |
| 2017 | UC | Deduplication on Finite Automata and Nested Duplication Systems. | Da-Jung Cho, Yo-Sub Han, Hwee Kim |
| 2016 | DLT | Outfix-Guided Insertion - (Extended Abstract). | Da-Jung Cho, Yo-Sub Han, Timothy Ng, Kai Salomaa |
| 2016 | DNA | Nondeterministic Seedless Oritatami Systems and Hardness of Testing Their Equivalence. | Yo-Sub Han, Hwee Kim, Makoto Ota, Shinnosuke Seki |
| 2016 | LATA | Inferring a Relax NG Schema from XML Documents. | Guen-Hae Kim, Sang-Ki Ko, Yo-Sub Han |
| 2016 | SOFSEM | Pseudoknot-Generating Operation. | Da-Jung Cho, Yo-Sub Han, Timothy Ng, Kai Salomaa |
| 2015 | DLT | Generalizations of Code Languages with Marginal Errors. | Yo-Sub Han, Sang-Ki Ko, Kai Salomaa |
| 2015 | LATA | Frequent Pattern Mining with Non-overlapping Inversions. | Da-Jung Cho, Yo-Sub Han, Hwee Kim |
| 2015 | UC | Duplications and Pseudo-Duplications. | Da-Jung Cho, Yo-Sub Han, Hwee Kim, Alexandros Palioudakis, Kai Salomaa |
| 2014 | DLT | State Complexity of Deletion. | Yo-Sub Han, Sang-Ki Ko, Kai Salomaa |
| 2014 | FAW | Space-Efficient Approximate String Matching Allowing Inversions in Fast Average Time. | Hwee Kim, Yo-Sub Han |
| 2014 | LATA | Top-Down Tree Edit-Distance of Regular Tree Languages. | Sang-Ki Ko, Yo-Sub Han, Kai Salomaa |
| 2014 | NPC | Parallel CYK Membership Test on GPUs. | Kyoung-Hwan Kim, Sang-Min Choi, Hyein Lee, Ka Lok Man, Yo-Sub Han |
| 2014 | SPIRE | Online Multiple Palindrome Pattern Matching. | Hwee Kim, Yo-Sub Han |
| 2014 | UC | Pseudo-inversion on Formal Languages. | Da-Jung Cho, Yo-Sub Han, Shin-Dong Kang, Hwee Kim, Sang-Ki Ko, Kai Salomaa |
| 2014 | WALCOM | Alignment with Non-overlapping Inversions on Two Strings. | Da-Jung Cho, Yo-Sub Han, Hwee Kim |
| 2012 | DLT | Computing the Edit-Distance between a Regular Language and a Context-Free Language. | Yo-Sub Han, Sang-Ki Ko, Kai Salomaa |
| 2011 | DLT | Generalized One-Unambiguity. | Pascal Caron, Yo-Sub Han, Ludovic Mignot |
| 2011 | HCI | A Smart Movie Recommendation System. | Sang-Ki Ko, Sang-Min Choi, Hae-Sung Eom, Jeong-Won Cha, Hyunchul Cho, Laehyun Kim, Yo-Sub Han |
| 2010 | ICCCI | Identifying Representative Reviewers in Internet Social Media. | Sang-Min Choi, Jeong-Won Cha, Yo-Sub Han |
| 2009 | HCI | User Reputation Evaluation Using Co-occurrence Feature and Collective Intelligence. | Jeong-Won Cha, Hyunwoo Lee, Yo-Sub Han, Laehyun Kim |
| 2009 | HCI | Evaluation of User Reputation on YouTube. | Yo-Sub Han, Laehyun Kim, Jeong-Won Cha |
| 2009 | LATA | State Complexity of Combined Operations for Prefix-Free Regular Languages. | Yo-Sub Han, Kai Salomaa, Sheng Yu |
| 2008 | ENASE | Generic Framework for Agent Adaptability and Utilization in a Virtual Organization - Preliminary Considerations. | Maria Ganzha, Maciej Gawinecki, Michal Szymczak, Grzegorz Frackowiak, Marcin Paprzycki, Myon-Woong Park, Yo-Sub Han, Young Tae Sohn |
| 2008 | ICAISC | On Resource Profiling and Matching in an Agent-Based Virtual Organization. | Grzegorz Frackowiak, Maria Ganzha, Maciej Gawinecki, Marcin Paprzycki, Michal Szymczak, Myon-Woong Park, Yo-Sub Han |
| 2008 | IDC | Infrastructure for Ontological Resource Matching in a Virtual Organization. | Michal Szymczak, Grzegorz Frackowiak, Maria Ganzha, Marcin Paprzycki, Sang Keun Rhee, Myon-Woong Park, Yo-Sub Han, Young Tae Sohn, Jihye Lee, Jae Kwan Kim |
| 2008 | WEBIST | Adaptability in an Agent-Based Virtual Organization - Towards Implementation. | Grzegorz Frackowiak, Maria Ganzha, Marcin Paprzycki, Michal Szymczak, Yo-Sub Han, Myon-Woong Park |
| 2008 | WEBIST | Generic Framework for Agent Adaptability and Utilization in a Virtual Organization - Preliminary Considerations. | Maria Ganzha, Maciej Gawinecki, Michal Szymczak, Grzegorz Frackowiak, Marcin Paprzycki, Myon-Woong Park, Yo-Sub Han, Young Tae Sohn |
| 2007 | DLT | State Complexity of Union and Intersection of Finite Languages. | Yo-Sub Han, Kai Salomaa |
| 2007 | LATA | Generalizations of One-Deterministic Regular Languages. | Yo-Sub Han, Derick Wood |
| 2007 | MFCS | State Complexity of Basic Operations on Suffix-Free Regular Languages. | Yo-Sub Han, Kai Salomaa |
| 2006 | COCOON | Overlap-Free Regular Languages. | Yo-Sub Han, Derick Wood |
| 2006 | DLT | Prime Decompositions of Regular Languages. | Yo-Sub Han, Kai Salomaa, Derick Wood |
| 2005 | CPM | Prefix-Free Regular-Expression Matching. | Yo-Sub Han, Yajun Wang, Derick Wood |
| 2005 | FCT | A New Linearizing Restriction in the Pattern Matching Problem. | Yo-Sub Han, Derick Wood |
| 2005 | ICTAC | Outfix-Free Regular Languages and Prime Outfix-Free Decomposition. | Yo-Sub Han, Derick Wood |