Donghyun Kim

Education & Experience

• Yonsei University, Seoul, South Korea
  Ph.D. Candidate in Computer Science
  Sep. 2019 – Present
• Republic of Korea Army
  Commissioned Officer (Signal Platoon Leader)
  Mar. 2017 – Jun. 2019
• Pusan National University, Busan, South Korea
  B.S. in Computer Science and Engineering
  Mar. 2013 – Feb. 2017

Publications

International

• [11] LLM-Assisted Ontology Restriction Verification with Clustering-based Description Generation
  Seungyeon Kim, Donghyun Kim, Seokju Hwang, Kyong-Ho Lee, and Kyunghwa Lee
  IEEE Access, 2025 (Q1/IF:3.6) [LINK]
• [10] Active Learning Framework for Improving Knowledge Graph Accuracy
  Donghyun Kim^♦, Hyeongjun Yang, Seokju Hwang, Kyuhwan Yeom, Midan Shim, and Kyong-Ho Lee
  IEEE Access, 2025 (Q1/IF:3.6) [LINK]
• [9] CoreSense: Social Commonsense Knowledge-Aware Context Refinement for Conversational Recommender System
  Hyeongjun Yang, Donghyun Kim, Gayeon Park, Kyuhwan Yeom, and Kyong-Ho Lee
  IEEE Transactions on Knowledge and Data Engineering, 2025 (Q1/IF:10.4) [LINK]
• [8] Optimizing Training Data for Persona-Grounded Dialogue via Synthetic Label Augmentation
  Chanhee Lee, Donghyun Kim, Wongyu Kim, Kyungchan Lee, Youbin Ahn, Kyong-Ho Lee, Donghoon Shin, and Yeonsoo Lee
  Expert Systems With Applications, 2025 (Q1/IF:7.5) [LINK]
• [7] Multi-Domain Dialogue State Tracking via Dual Dynamic Graph with Hierarchical Slot Selector
  Yeseul Gong, Heeseon Kim, Seokju Hwang, Donghyun Kim, and Kyong-Ho Lee
  Knowledge-Based Systems, 2025 (Q1/IF:7.6) [LINK]
• [6] Dialogue Act-based Partner Persona Extraction for Consistent Personalized Response Generation
  Kyungchan Lee, Chanhee Lee, Donghyun Kim, and Kyong-Ho Lee
  Expert Systems With Applications, 2024 (Q1/IF:7.5) [LINK]
• [5] Active Learning for Cross-sentence N-ary Relation Extraction
  Seungmin Seo, Byungkook Oh, Jeongbeom Jeoung, Donghyun Kim, Kyong-Ho Lee, Donghoon Shin, and Yeonsoo Lee
  Information Sciences, 2023 (Q1/IF:6.8) [LINK]
• [4] Persona Expansion with Commonsense Knowledge for Diverse and Consistent Response Generation
  Donghyun Kim^♦, Youbin Ahn, Wongyu Kim, Chanhee Lee, Kyungchan Lee, Kyong-Ho Lee, Jeonguk Kim, Donghoon Shin, and Yeonsoo Lee
  EACL 2023 [LINK]
• [3] Concept-based Persona Expansion for Improving Diversity of Persona-Grounded Dialogue
  Donghyun Kim^♦, Youbin Ahn, Chanhee Lee, Wongyu Kim, Kyong-Ho Lee, Donghoon Shin, and Yeonsoo Lee
  EACL 2023 [LINK]
• [2] Emp-RFT: Empathetic Response Generation via Recognizing Feature Transitions between Utterances
  Wongyu Kim, Youbin Ahn, Donghyun Kim, and Kyong-Ho Lee
  NAACL 2022 [LINK]
• [1] Active Learning on Pre-trained Language Model with Task-Independent Triplet Loss
  Seungmin Seo, Donghyun Kim, Youbin Ahn, and Kyong-Ho Lee
  AAAI 2022 [LINK]

Domestic

• [2] Ontology-based Fact Checking for Verification of Defense Domain Sentences
  Seokju Hwang, Donghyun Kim, Kyong-Ho Lee, and Kyunghwa Lee
  Journal of Korea Multimedia Society, 2024 (KCI)
• [1] Building a Korean Dataset for Knowledge Extraction in the Military Domain: Focusing on Navy Force and Weapon Systems
  Kyuhwan Yeom, Donghyun Kim, Seungyeon Kim, Yongsu Bae, Kyong-Ho Lee, and Kyunghwa Lee
  Journal of Korea Multimedia Society, 2024 (KCI)

Patents

• [6] Ontology Restriction Verification System and the Method thereof
  Kyong-Ho Lee, Seungyeon Kim, and Donghyun Kim
  KR Patent, filed Nov. 14, 2025 (No. 10-2025-0172318).
• [5] Method and Apparatus for Retrieval-Augmented Knowledge Graph Validation using Large Language Model
  Kyong-Ho Lee, and Donghyun Kim
  KR Patent, filed Jul. 7, 2025 (No. 10-2025-0090580).
• [4] Active Learning Method and Apparatus for Improving Knowledge Graph Accuracy
  Kyong-Ho Lee, Donghyun Kim, Seokju Hwang, and Kyunghwa Lee
  KR Patent, filed Oct. 29, 2024 (No. 10-2024-0149277).
• [3] Fact Verification Method based on Domain Ontology and Apparatus thereof
  Kyong-Ho Lee, Kyuhwan Yeom, Seokju Hwang, Donghyun Kim, and Kyunghwa Lee
  KR Patent, filed Oct. 29, 2024 (No. 10-2024-0149276).
• [2] Method and Apparatus for Generating Empathetic Responses via Recognizing Emotion and Keyword Transitions between Utterances
  Kyong-Ho Lee, Wongyu Kim, Youbin Ahn, and Donghyun Kim
  KR Patent, filed Mar. 15, 2023 (No. 10-2023-0034098).
• [1] Method and Apparatus for Generating Extended Persona Sentences
  Kyong-Ho Lee, Donghyun Kim, Youbin Ahn, Wongyu Kim, and Chanhee Lee
  KR Patent, filed Dec. 31, 2021 (No. 10-2021-0194377); registered Sep. 11, 2025 (No. 10-2860494).