Keyphrases
- conceptual modeling
- xml data
- data model
- relational databases
- xml documents
- object oriented
- query language
- conceptual models
- xml queries
- xml databases
- query evaluation
- database technology
- entity relationship
- databases
- database systems
- querying xml data
- conceptual model
- database management systems
- xpath queries
- query processing
- data integration
- conceptual schema
- relational model
- data modeling
- relational and xml data
- database design
- xml schema
- software engineering
- relational database systems
- data sources
- information systems
- database
- database applications