Keyphrases
- relational schema
- relational data
- relational databases
- entity relationship
- functional dependencies
- normal form
- relational database systems
- xml schema
- object oriented
- relational model
- schema mappings
- database schema
- data model
- transformation rules
- conceptual schema
- xml data
- database design
- xml documents
- conceptual models
- database
- relational algebra
- integrity constraints
- data exchange
- domain specific
- database systems
- knowledge base
- databases
- data sets
- development process
- data integration
- knowledge based systems
- metamodel
- knowledge representation
- query processing
- data structure
- case study