Detecting Anomalies in Microblogging via Nonnegative Matrix Tri-Factorization.

Guowei Shen Wu Yang Wei Wang Miao Yu Guozhong Dong

Published in: SMP (2014)

Keyphrases

detecting anomalies
nonnegative matrix tri factorization
anomaly detection
data mining applications
abnormal events
semi supervised
manifold regularization
information retrieval
weighting scheme
normalized cut
simultaneous clustering
machine learning
feature selection
image processing
preprocessing