Keyphrases
- regular expressions
- pattern matching
- finite automata
- query language
- semistructured data
- xml schema
- web documents
- regular languages
- tree automata
- deterministic finite automata
- semantic web
- web pages
- regular path queries
- web data
- web mining
- matching algorithm
- linked data
- context free grammars
- rdf data
- query evaluation
- domain knowledge
- databases