Preferentially Annotated Regular Path Queries.
Gösta GrahneAlex ThomoWilliam W. WadgePublished in: ICDT (2007)
Keyphrases
- regular path queries
- regular expressions
- data complexity
- semistructured databases
- graph databases
- query answering
- semistructured data
- conjunctive queries
- automata theoretic
- query containment
- expressive power
- structured data
- database
- query evaluation
- semi structured
- data exchange
- integrity constraints
- pattern matching
- query language