• 모델기반 CF 특징

Rule-based 협업필터링

• Rule-based란?
• Measure
• Rule mining

Latent Factor Model

• Latent Factor Model
• Singular Value Decomposition(SVD)
• Matrix Factoriazation

Matrix Factorization

• 개념 복습
• true rating - predicted rating을 최소로 만드는 문제
• Objective Function(최적화 함수)
• More on