Keyphrases
- data model
- database
- data integration
- database systems
- schema evolution
- website
- query language
- web applications
- relational model
- semistructured data
- xml data
- data types
- database management systems
- object oriented
- data sources
- semi structured
- web documents
- entity relationship
- semi structured data
- relational algebra
- web data
- relational data model
- data mining
- semantic web
- databases
- web content
- object model
- owl ontologies
- conceptual model
- web mining
- database design
- information sources
- web pages