Discovery of User Preferences from Big Geospatial Data Using Topic Models.
Michiharu YamashitaShota KatsumataYusuke FukasawaPublished in: IEEE BigData (2018)
Keyphrases
- user preferences
- topic models
- geospatial data
- big data
- topic modeling
- spatial data
- latent dirichlet allocation
- collaborative filtering
- recommender systems
- data processing
- data collection
- user behavior
- user profiles
- latent variables
- data management
- text mining
- multiple sources
- latent topics
- data sources
- knowledge discovery
- probabilistic model
- co occurrence
- generative model
- user interests
- heterogeneous data
- database systems
- spatial objects
- semantic web services
- data mining
- decision makers
- image content
- data analysis
- databases