New node anomaly detection algorithm based on nonnegative matrix factorization for directed citation networks.
Ali TosyaliJinho KimJeongsub ChoiYunyi KangMyong K. JeongPublished in: Ann. Oper. Res. (2020)
Keyphrases
- detection algorithm
- nonnegative matrix factorization
- citation networks
- negative matrix factorization
- matrix factorization
- data representation
- detection method
- least squares
- spectral clustering
- network analysis
- principal component analysis
- original data
- social networks
- harris corner
- data sets
- management science
- community detection
- document clustering
- knowledge discovery
- object recognition
- computer vision
- artificial intelligence