Keyphrases
- tree structure
- error bounds
- minimum cost
- constant factor
- approximation error
- binary tree
- index structure
- approximation algorithms
- spanning tree
- tree structures
- tree construction
- approximation methods
- minimum spanning tree
- tree nodes
- tree models
- adjacency matrix
- relative error
- phylogenetic trees
- tree search
- lower bound
- leaf nodes
- b tree
- association rules