Keyphrases
- relational model
- unstructured documents
- relational databases
- data model
- information extraction
- database technology
- text mining
- web documents
- relational algebra
- functional dependencies
- knowledge discovery
- structured data
- incomplete information
- complex objects
- spatial databases
- conceptual model
- nested relations
- database
- relational models
- distributed systems
- database management systems
- data management
- database design
- domain knowledge
- artificial intelligence
- databases
- natural language processing
- data types
- data warehouse
- knn
- query language
- xml documents
- knowledge base
- machine learning
- real world
- data sets