Keyphrases
- databases
- data model
- database schema
- xml data
- xml schema
- low order
- real world
- semantically enriched
- object oriented databases
- semantically equivalent
- information retrieval
- schema evolution
- schema integration
- semistructured data
- piecewise polynomial
- hermite transform
- algebraic geometry
- instance level
- semi structured data
- real time
- schema mappings
- hierarchical structure
- digital libraries
- database systems