Keyphrases
- regular path queries
- regular expressions
- graph databases
- metadata
- conjunctive queries
- semistructured data
- semistructured databases
- data complexity
- query containment
- query answering
- automata theoretic
- data quality
- provenance information
- reasoning tasks
- query rewriting
- pattern matching
- query evaluation
- query optimization
- query language
- expressive power
- application domains
- rdf graphs
- multi dimensional
- description logics