Keyphrases
- tree nodes
- tree structure
- tree structures
- database
- tree models
- path queries
- twig pattern
- tree construction
- tree patterns
- query processing
- root node
- leaf nodes
- tree automata
- spanning tree
- query evaluation
- efficient processing
- labeled trees
- tree matching
- pattern tree
- data structure
- indexing schemes
- path expressions
- index structure
- query execution plan
- tree structured data
- binary tree
- data sources
- wavelet tree
- response time
- shortest path
- unordered trees
- r tree
- rooted trees
- similarity queries
- query expansion
- user queries
- twig queries
- classification trees
- tree crown
- indexing structure
- minimum cost path
- prefix tree
- spatial index
- tree mining
- binary search trees
- query patterns
- xml queries
- minimum cost
- query optimization
- multi dimensional
- data model
- keywords
- decision trees