Generative models of online discussion threads: state of the art and research challenges.
Pablo AragónVicenç GómezDavid GarcíaAndreas KaltenbrunnerPublished in: J. Internet Serv. Appl. (2017)
Keyphrases
- generative model
- generative and discriminative models
- probabilistic model
- discriminative learning
- discriminative models
- hierarchical hidden markov models
- topic models
- online discussion forums
- em algorithm
- online learning
- prior knowledge
- semi supervised
- semi supervised learning
- machine learning
- online discussion
- discussion forums
- computer supported collaborative learning
- social networking sites
- expectation maximization
- pairwise