Keyphrases
- semistructured data
- data model
- query language
- semi structured
- structured data
- regular expressions
- database systems
- databases
- object oriented
- semistructured databases
- raw data
- data integration
- relational model
- heterogeneous data
- xml documents
- database management systems
- database
- data sources
- multimedia
- multimedia databases
- web documents
- relational algebra
- multimedia data
- conceptual model
- xml data
- image data
- data sets
- web content
- information sources
- metadata
- information retrieval
- tree patterns
- data mining