GIST: A generative model with individual and subgroup-based topics for group recommendation.
Ke JiZhenxiang ChenRunyuan SunKun MaZhongjie YuanGuandong XuPublished in: Expert Syst. Appl. (2018)
Keyphrases
- generative model
- latent dirichlet allocation
- topic models
- group members
- probabilistic model
- bayesian framework
- topic modeling
- recommender systems
- prior knowledge
- semi supervised
- em algorithm
- discriminative learning
- generative and discriminative models
- social influences
- lda model
- latent topics
- posterior probability
- information retrieval
- low level
- markov chain monte carlo
- hidden markov models
- keywords
- high level
- image segmentation
- generative process
- data sets