Soyeop Yoo

Postdoctoral Researcher

soyeop at dgist.ac.kr

Research Interests

• Knowledge Graphs
• Empathetic AI
• Explainable AI
• AI Agent

Education

• Ph.D. in Dept. of AI Software, Gachon University, Mar 2018 - August 2021.
• M.S in Dept. of Software, Gachon University, Mar 2014 - Feb 2016.

Publication

• SoYeop Yoo, Sunghoon Im^†. “Learning to Forget: Emotional Salience as a Compression Mechanism for Long-Term AI Memory,” ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2026.
• HaYoung Lee, SoYeop Yoo and OkRan Jeong. "Target-guided Dialog Generation with Dynamic Knowledge Path by Commonsense Knowledge Graph and Relation Prediction", Knowledge-Based Systems, 2025.
• SoYeop Yoo, HaYoung Lee, JeIn Song and OkRan Jeong. "A Korean emotion-factor dataset for extracting emotion and factors in Korean conversations", Scientific Reports, 2023.
• SoYeop Yoo and OkRan Jeong. "A Token Classification-Based Attention Model for Extracting Multiple Emotion–Cause Pairs in Conversations", Sensors, 2023.
• YeonSun Ahn, SoYeop Yoo and OkRan Jeong. "PolarisX2: Auto-Growing Context-Aware Knowledge Graph", International Journal of Web and Grid Services, 2023.
• SoYeop Yoo, and OkRan Jeong. "EP-Bot: Empathetic Chatbot using Auto-growing Knowledge Graph", CMC-Computers, Materials, & Continua, 2021.
• SungMin Yang, SoYeop Yoo, and OkRan Jeong. "DeNERT-KG: Named Entity and Relation Extraction Model Using DQN, Knowledge Graph, and BERT", Applied Sciences, 2020.
• SoYeop Yoo and Ok-Ran Jeong. "Automating the Expansion of a Knowledge Graph", Expert Systems with Applications, 2020.
• SoYeop Yoo, DaeHo Kim, SungMin Yang, and Ok-Ran Jeong. "Real-time disease detection and analysis system using social media contents", International Journal of Web and Grid Services, 2020.
• SoYeop Yoo, JeIn Song, and Ok-Ran Jeong. "Social media contents based sentiment analysis and prediction system", Expert Systems with Applications, 2018.