Keyphrases
- databases
- relational databases
- data integration
- data model
- database
- peer to peer
- xml data
- xml documents
- knowledge discovery
- metadata
- xml schema
- relational database systems
- database objects
- data management
- database applications
- data exchange
- relational schema
- overlay network
- data sharing
- xml databases
- schema matching
- relational data
- markup language
- object oriented
- search engine
- data retrieval
- software maintenance
- object oriented databases
- heterogeneous data sources
- maintenance cost
- data warehouse
- data transformation
- xml views