A Matrix Factorization Method for Mapping Items to Skills and for Enhancing Expert-Based Q-Matrices.
Michel C. DesmaraisRhouma NaceurPublished in: AIED (2013)
Keyphrases
- factorization method
- measurement matrix
- singular value decomposition
- matrix factorization
- structure from motion
- multibody
- recovering shape
- tensor factorization
- least squares
- dimensionality reduction
- principal component analysis
- negative matrix factorization
- motion tracking
- random projections
- null space
- point features
- motion analysis
- missing data
- computer vision