Navigational Queries Based on Frontier-Guarded Datalog: Preliminary Results.
Meghyn BienvenuMagdalena OrtizMantas SimkusPublished in: AMW (2015)
Keyphrases
- query language
- query answering
- probabilistic databases
- answering queries
- expressive power
- query processing
- query evaluation
- data model
- database
- response time
- conjunctive queries
- datalog queries
- database queries
- query rewriting
- relational calculus
- efficient processing
- web search engines
- datalog programs
- query containment
- recursive programs
- range queries
- databases
- deductive databases
- relational algebra
- aggregate queries
- retrieval systems
- user queries
- logic programming
- data management
- database query languages
- search queries
- query logs
- data exchange
- logic programs
- search engine