Understanding the Spatio-temporal Topic Dynamics of Covid-19 using Nonnegative Tensor Factorization: A Case Study.
Thirunavukarasu BalasubramaniamRichi NayakMd. Abul BasharPublished in: CoRR (2020)
Keyphrases
- tensor factorization
- spatio temporal
- matrix factorization
- negative matrix factorization
- collaborative filtering
- tag recommendation
- nonnegative matrix factorization
- probabilistic latent semantic analysis
- link prediction
- linear algebra
- latent dirichlet allocation
- image sequences
- factorization method
- topic modeling
- topic models
- co occurrence
- moving objects
- kl divergence
- image processing
- computer vision
- information theoretic