Keyphrases
- information integration
- mass collaboration
- data structure
- web sources
- information delivery
- web mining
- topic maps
- data sources
- semi structured
- website
- web pages
- deep web
- web applications
- databases
- sharing information
- web documents
- query interface
- database
- xml schema
- database systems
- multiple information sources
- information filtering
- knowledge discovery
- web data
- integrity constraints
- data integration