Keyphrases
- web databases
- databases
- deep web
- database systems
- user queries
- database
- database technology
- web pages
- query relaxation
- intrusion detection system
- query interface
- search engine
- intrusion detection
- database server
- web users
- data management
- data warehousing
- data sources
- key technologies
- database management systems
- data types
- distributed databases
- active learning
- user interface