Keyphrases
- databases
- database
- query interface
- web databases
- relational databases
- database systems
- web applications
- data integration systems
- web documents
- database querying
- web content
- data retrieval
- website
- deep web
- web sources
- spatio temporal databases
- web data
- web pages
- data integration
- end users
- data sources
- knowledge discovery
- database applications
- semantic web
- data extraction
- information sources
- web technologies
- metadata
- structured databases
- social networks
- database queries
- information integration
- indexing techniques
- web users
- user experience
- web mining
- recommender systems