Keyphrases
- conceptual model
- xml schema
- data model
- object oriented
- xml documents
- relational model
- high level
- xml data
- data integration
- entity relationship
- query language
- data warehouse
- conceptual models
- conceptual data model
- databases
- domain ontology
- database systems
- metadata
- database design
- relational databases
- knowledge base
- data types
- object oriented databases
- enterprise architecture
- data management
- domain knowledge
- structured documents