Tu et al., 2018 - Google Patents
Hierarchical online NMF for detecting and tracking topic hierarchies in a text streamTu et al., 2018
- Document ID
- 1318820081078989796
- Author
- Tu D
- Chen L
- Lv M
- Shi H
- Chen G
- Publication year
- Publication venue
- Pattern Recognition
External Links
Snippet
Discovering and tracking topics in a text stream has attracted the interests of many researchers. A limitation of most existing methods is that they organize topics in flat structures. Topic hierarchy could reveal the potential relations between topics, which can …
- 238000000034 method 0 abstract description 69
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