Keyphrases
- hierarchical structure
- confusion matrix
- hierarchical structures
- hierarchical classification
- hierarchically structured
- confusion matrices
- hierarchical organization
- keywords
- image representation
- web pages
- text mining
- text documents
- information retrieval
- web documents
- web directories
- binary tree
- random effects
- tree structure
- multiscale
- data mining
- databases
- support vector machine
- similarity measure
- image processing