Keyphrases
- query processing
- binary tree
- response time
- boolean operations
- query evaluation
- index structure
- database
- query expansion
- tree nodes
- tree structure
- indexing schemes
- data structure
- user queries
- query formulation
- internal nodes
- relevance feedback
- tree structures
- indexing structure
- databases
- range queries
- vector space
- information retrieval
- query point
- linked list
- binary codes
- aggregate queries
- access methods
- xpath queries
- efficient processing
- query execution
- complex queries
- user interaction
- data sources
- data model