Keyphrases
- regular expressions
- pattern matching
- approximate matching
- matching algorithm
- string matching
- semistructured data
- query language
- finite automata
- xml schema
- graph matching
- cost model
- static analysis
- semistructured databases
- regular path queries
- edit distance
- approximate string matching
- xml documents
- query evaluation
- integrity constraints
- natural language processing
- data model
- query processing