An unsupervised technical difficulty ranking model based on conceptual terrain in the latent space.
Shoaib JameelWai LamXiaojun QianChing-man Au YeungPublished in: JCDL (2012)
Keyphrases
- latent space
- latent variables
- low dimensional
- gaussian process
- semi supervised
- matrix factorization
- generative model
- parameter space
- high dimensional
- manifold learning
- lower dimensional
- distance metric
- gaussian processes
- unsupervised learning
- feature space
- supervised learning
- probabilistic latent semantic analysis
- dimensionality reduction
- topic modeling
- gaussian mixture
- gaussian process latent variable models
- transfer learning
- training data
- semi supervised learning
- probabilistic model
- high dimensional spaces
- reinforcement learning
- machine learning