Queries with Guarded Negation.
Vince BárányBalder ten CateMartin OttoPublished in: Proc. VLDB Endow. (2012)
Keyphrases
- probabilistic databases
- query processing
- query language
- database
- efficient processing
- web search engines
- horn clauses
- logic programs
- range queries
- retrieval systems
- data sources
- containment of conjunctive queries
- aggregate queries
- answering queries
- query formulation
- database queries
- search queries
- query answering
- data objects
- query evaluation
- logic programming
- search engine
- fixed point
- fixpoint
- response time
- web search
- relational databases