Keyphrases
- tree structure
- tree nodes
- leaf nodes
- tree grammars
- root node
- graph structure
- tree traversal
- grammar induction
- parse tree
- hierarchical tree
- data structure
- internal nodes
- rule induction
- b tree
- constructive induction
- index structure
- machine learning
- pattern tree
- inductive logic programming
- induction algorithms
- xml documents
- r tree
- program synthesis
- multivariate decision trees
- parent child
- phylogenetic trees
- context free grammars
- quadtree
- directed graph
- classification rules
- natural language processing