Keyphrases
- regular expressions
- pattern matching
- approximate matching
- matching algorithm
- string matching
- context free grammars
- graph matching
- finite automata
- deterministic finite automata
- semistructured data
- cost model
- static analysis
- query language
- record linkage
- regular path queries
- databases
- xml schema
- natural language processing
- database
- semi automatic
- database systems