Probabilistic Graphical Models for Boosting Cardinal and Ordinal Peer Grading in MOOCs.
Fei MiDit-Yan YeungPublished in: AAAI (2015)
Keyphrases
- probabilistic graphical models
- graphical models
- markov networks
- first order logic
- belief propagation
- latent variables
- parameter learning
- exact inference
- fuzzy measures
- approximate inference
- feature selection
- hidden variables
- probabilistic inference
- structure learning
- conditional random fields
- random variables
- probabilistic model
- learning algorithm
- bayesian networks
- soft computing
- prior knowledge
- training data
- pairwise