Keyphrases
- query evaluation
- goal directed
- deductive databases
- conjunctive queries
- query processing
- query language
- data complexity
- probabilistic databases
- data management
- querying xml documents
- query processing strategies
- xml data
- probabilistic model
- logic programming
- special case
- transitive closure
- data analysis
- disjunctive deductive databases
- search engine
- efficient query evaluation
- data mining