Distance-Aware Competitive Spatiotemporal Searching Using Spatiotemporal Resource Matrix Factorization (GIS Cup).
Joon-Seok KimDieter PfoserAndreas ZüflePublished in: SIGSPATIAL/GIS (2019)
Keyphrases
- matrix factorization
- spatiotemporal databases
- recommender systems
- collaborative filtering
- low rank
- negative matrix factorization
- spatiotemporal data
- factorization methods
- geographic information systems
- missing data
- nonnegative matrix factorization
- data sparsity
- item recommendation
- factor analysis
- variational bayesian
- moving objects