Tree PCA for Extracting Dominant Substructures from Labeled Rooted Trees.
Tomoya YamazakiAkihiro YamamotoTetsuji KuboyamaPublished in: Discovery Science (2015)
Keyphrases
- rooted trees
- ordered trees
- tree mining
- tree structures
- principal component analysis
- unordered trees
- phylogenetic trees
- mining frequent
- tree patterns
- frequent subtrees
- semi structured data
- labeled trees
- tree structure
- tree automata
- equivalence class
- feature extraction
- graph mining
- structured data
- tree structured data
- semistructured data
- graph databases
- multi dimensional
- dimensionality reduction
- feature space
- data structure