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A Dynamic Topic Model and Matrix Factorization-Based Travel Recommendation Method Exploiting Ubiquitous Data.
Zhenxing Xu
Ling Chen
Yimeng Dai
Gencai Chen
Published in:
IEEE Trans. Multim. (2017)
Keyphrases
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matrix factorization
topic models
latent factors
missing data
data points
training data
probabilistic model
collaborative filtering
original data
latent dirichlet allocation
dimensionality reduction
graphical models
missing values
network structure
closed form
implicit feedback