Query evaluation with soft-key constraints.
Abhay Kumar JhaVibhor RastogiDan SuciuPublished in: PODS (2008)
Keyphrases
- query evaluation
- query processing
- deductive databases
- query language
- data complexity
- transitive closure
- null values
- data management
- conjunctive queries
- probabilistic databases
- xml data
- constraint databases
- disjunctive deductive databases
- databases
- efficient query evaluation
- querying xml documents
- regular expressions
- query engine
- constraint satisfaction
- probabilistic xml
- query answering
- data streams