Keyphrases
- semistructured data
- data model
- structured data
- query language
- semi structured
- regular expressions
- xml documents
- raw data
- heterogeneous data
- semistructured databases
- database systems
- regular path queries
- tree patterns
- path expressions
- inconsistent information
- web data
- multimedia databases
- relational data
- conceptual model
- semi structured data
- object oriented
- data sets