Keyphrases
- pattern matching
- regular expressions
- semistructured data
- deterministic finite automata
- path expressions
- xml documents
- xml schema
- string matching
- pattern matching algorithm
- matching process
- cost model
- tree matching
- data exchange
- databases
- xml databases
- data integration
- data model
- metadata
- xml queries
- xml data
- database
- relational data
- semi structured
- relational databases
- rdf data
- similarity measure
- semistructured databases
- relational database systems