A geometry-driven neural topic model for trip purpose inference.
Jiaqi ZhangZipei FanXuan SongRyosuke ShibasakiPublished in: GeoInformatica (2024)
Keyphrases
- topic models
- gibbs sampling
- collapsed gibbs sampling
- variational inference
- latent dirichlet allocation
- topic modeling
- variational bayesian inference
- text documents
- probabilistic model
- text mining
- latent topics
- latent variables
- co occurrence
- three dimensional
- generative model
- variational bayes
- baseline models
- bayesian inference
- bayesian networks
- em algorithm
- generative process
- microblog posts
- information retrieval
- posterior distribution
- mixture model
- factor graphs
- markov chain
- dirichlet process
- lda model