Relative Expressiveness of Nested Regular Expressions.
Pablo BarcelóJorge PérezJuan L. ReutterPublished in: AMW (2012)
Keyphrases
- regular expressions
- pattern matching
- query language
- finite automata
- monadic second order logic
- tree automata
- xml schema
- semistructured data
- expressive power
- deterministic finite automata
- regular path queries
- finite state machines
- regular languages
- query evaluation
- matching algorithm
- database
- data model
- context free grammars
- relational databases
- data analysis
- database systems