Donghyun Kim

Education/Experience

• Yonsei University, South Korea — Sep. 2019 ~ Present
  • Ph.D. Student in Computer Science
  • Advisor: Prof. Kyong-Ho Lee
• Republic of Korea Army, South Korea — Mar. 2017 ~ Jun. 2019
  • Army Officer, Discharged as a First Lieutenant
• Pusan National University, South Korea — Mar. 2013 ~ Feb. 2017
  • B.S. in Computer Science and Engineering

Publications

International

• [9] Active Learning Framework for Improving Knowledge Graph Accuracy
  Donghyun Kim, Hyeongjun Yang, Seokju Hwang, Kyuhwan Yeom, Midan Shim, and Kyong-Ho Lee
  IEEE Access (IF: 3.4), Under Review.
• [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 (IF: 7.5), Accepted.
• [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 (IF: 7.2), Accepted.
• [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 (IF: 7.5), Vol. 254, Nov. 2024. [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 (IF: 8.1), Vol. 645, Oct. 2023. [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 (KCI), Vol. 27, No. 11, Nov. 2024.
• [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 (KCI), Vol. 27, No. 7, Jul. 2024.

Patents

• [4] Active Learning Method and Apparatus for Improving Knowledge Graph Accuracy
  지식그래프의 정확성 개선을 위한 액티브 러닝 방법 및 장치
  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
  도메인 온톨로지 기반 사실 검증 방법 및 장치
  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
  발화 간 감정 및 키워드 전환 인식을 통한 공감 답변 생성 방법 및 장치
  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
  확장된 페르소나 문장을 생성하는 방법 및 장치
  Kyong-Ho Lee, Donghyun Kim, Youbin Ahn, Wongyu Kim, and Chanhee Lee
  KR Patent, filed Dec. 31, 2021. (No. 10-2021-0194377)

Major Projects

• 한국형 임무공간 개념모델 자동화 생성 및 검증 기술 w/ 국방기술진흥연구소(KRIT) — Nov. 2022 ~ Present
  Automated Generation and Verification of the CMMS-K
  • Project Leader
• 사용자 선호도 파악을 위한 지식그래프 기반 대화형 추천시스템 w/ 한국연구재단(NRF) — Mar. 2022 ~ Feb. 2025
  Refining User Preferences by Leveraging KGs for Conversational Recommender System
  • Project Member
• 서비스 로봇의 지능 고도화를 위한 동적 상황 추론기 개발 w/ Hyundai Motor Company — Jul. 2022 ~ Aug. 2023
  Dynamic Context Reasoning for Advanced Intelligent Service Robot
  • Project Leader
• 동적으로 진화하는 지식그래프의 정보 품질 개선을 위한 심층 표현학습 w/ 한국연구재단(NRF) — Sep. 2019 ~ Feb. 2022
  Deep Representation Learning for Improving the Information Quality of Dynamically Evolving KGs
  • Project Member
• 일관적 페르소나 확장 및 훈련 최적화를 통한 챗봇 대화 품질 향상 w/ NCSOFT — Jun. 2021 ~ Dec. 2021
  Improving Dialogue Quality via Consistent Persona Expansion and Training Optimization
  • Project Leader
• 지식그래프를 이용한 페르소나 확장 및 조합을 통한 챗봇 대화 품질 향상 w/ NCSOFT — Nov. 2020 ~ May. 2021
  Improving Dialogue Quality via Persona Expansion and Combination using KGs
  • Project Leader
• 액티브 러닝을 활용한 다항 관계 지식 추출 및 구조화 기술 연구 w/ NCSOFT — Sep. 2019 ~ Apr. 2020
  Active Learning based N-ary Relation Extraction and Strucuralization
  • Project Member