Decomposing federated queries in presence of replicated fragments.
Gabriela MontoyaHala Skaf-MolliPascal MolliMaria-Esther VidalPublished in: J. Web Semant. (2017)
Keyphrases
- data sources
- query processing
- web search engines
- query language
- response time
- aggregate queries
- web queries
- search queries
- query logs
- digital libraries
- database queries
- database
- fault tolerant
- data objects
- querying xml data
- distributed systems
- fault tolerance
- query evaluation
- user queries
- statistical databases
- efficient processing
- data management
- boolean queries
- learning algorithm