Keyphrases
- regular expressions
- pattern matching
- finite automata
- semistructured data
- monadic second order logic
- query language
- xml schema
- tree automata
- matching algorithm
- regular path queries
- regular languages
- finite state machines
- bit parallel
- relational databases
- context free grammars
- graph databases
- query evaluation
- deterministic finite automata
- data complexity
- search engine
- high level