01

Research

We work across recommendation, retrieval, and data mining.

Research areas

We research personalized intelligent systems that integrate multimodal knowledge sources and update effectively over time.

01

Recommender Systems

We develop recommender systems that learn from user interactions and evolving preferences to deliver accurate, efficient, and personalized recommendations across domains and modalities.

  • Personalization
  • User Simulation
  • LLM-based Ranking
  • Continual Recommendation
  • Multimodal Learning
Related publications
02

Information Retrieval

We develop search and retrieval methods that connect language models with multimodal and structured knowledge to find relevant information in scientific and specialized domains.

  • Agentic Search
  • Graph RAG
  • Ontology Construction
  • Scientific Retrieval
  • RAG & Grounding
  • Multimodal Learning
Related publications
03

Data & Web Mining

We analyze large-scale user logs and multimodal, temporal data to uncover patterns and knowledge structures that support retrieval, recommendation, forecasting, and decision-making.

  • Web-scale Data Mining
  • User Behavior Mining
  • Multimodal Learning
  • Temporal Data Mining
  • Knowledge Structures
Related publications

Major R&D Projects

We are always open to a wide range of collaborations.

  • 비공개 저자원 환경을 위한 개념 체계 구조화 기반 검색 및 지속 업데이트 기술

    NRF2026–2029

  • 멀티모달 지식 구조화 기반 검색 고도화 기술

    KT2025–2026

  • 실세계 추천 시스템을 위한 feature selection 기술

    NAVER2023–2024

  • 거대 추천 시스템 경량화 및 편향 (bias) 제거 기술

    Microsoft Research Asia2023–2024

Academic and Industry Collaborators