Keyphrases
- spatial proximity
- response time
- data structure
- query expansion
- database
- query processing
- wide range
- range queries
- spatial data
- spatial and temporal
- user queries
- user interaction
- spatial queries
- pairwise
- spatial index
- complex queries
- query formulation
- efficient processing
- search queries
- range data
- databases
- spatial information
- distance function
- relevance feedback
- spatio temporal
- retrieval systems
- spatial databases
- keyword search
- retrieval method
- information retrieval systems
- spatial objects
- data sources
- original query
- similarity scores
- video sequences
- keywords
- continuously moving