Keyphrases
- database
- natural language
- databases
- database systems
- semantic representation
- relational databases
- natural language interface
- semantic interpretation
- data model
- database management systems
- data sets
- formal language
- knowledge representation
- conceptual schema
- conceptual graphs
- database applications
- query language
- metadata
- machine learning
- conceptual model
- database management
- semantic analysis
- expert systems
- artificial intelligence
- data mining
- relational data model
- database updates