Keyphrases
- reachability queries
- query processing
- response time
- association rules
- user queries
- graph structure
- database
- minimum spanning tree
- pattern tree
- tree nodes
- mining algorithm
- tree structure
- web mining
- range queries
- graph data
- query patterns
- graph theory
- spanning tree
- indexing structure
- query graph
- proximity graph
- indexing schemes
- sequential patterns
- pattern mining
- index structure
- query evaluation
- itemsets
- relevance feedback
- data sources
- keywords
- tree structures
- data mining
- similarity queries
- data objects
- tree mining
- data structure
- frequent itemsets
- query language
- tree patterns
- text mining
- tree structured data
- quasi cliques
- relational databases
- frequent subtrees
- knowledge discovery
- query expansion
- similarity search
- maximal cliques
- frequent subgraphs
- association rule mining
- b tree
- graph matching