Keyphrases
- data model
- tree structure
- data integration
- spatial data
- spatial information
- spatio temporal
- data modeling
- semi structured
- spatial distribution
- query language
- database management systems
- database design
- database systems
- spatial and temporal
- spatial objects
- r tree
- index structure
- spatial structure
- high level
- symbolic representation
- databases
- tree search
- schema evolution
- database
- spatial databases
- object model
- conceptual model
- xml data
- semantic web
- semistructured data
- tree structures
- object oriented
- binary tree
- data sources
- tree models
- minimum bounding