Keyphrases
- data model
- query language
- relational model
- data integration
- object oriented
- xml documents
- database systems
- database
- data types
- database management systems
- xml data
- data modeling
- conceptual model
- information retrieval
- relational algebra
- data sources
- object model
- schema evolution
- d objects
- artificial neural networks
- search algorithm
- decision making
- machine learning
- real world
- neural network