Keyphrases
- conceptual modeling
- semistructured data
- data model
- query language
- semi structured
- object oriented
- database systems
- structured data
- regular expressions
- semistructured databases
- conceptual models
- information systems
- conceptual model
- data integration
- database technology
- databases
- entity relationship
- raw data
- heterogeneous data
- database
- relational model
- database management systems
- database design
- tree patterns
- software engineering
- data sources
- web data
- xml data
- process model
- xml documents
- information extraction
- information retrieval
- text mining