OptiRef: Query Optimization for Knowledge Bases.
Wafaa El HusseiniCheikh Brahim El VaighFrançois GoasdouéHélène JaudoinPublished in: WWW (Companion Volume) (2023)
Keyphrases
- query optimization
- knowledge base
- cost model
- database systems
- query processing
- multidatabase systems
- query execution
- cost estimation
- description logics
- cardinality estimation
- semantic query optimization
- xml data
- data placement
- query optimizer
- query scheduling
- knowledge representation
- selectivity estimation
- continuous queries
- logic programming
- query optimizers
- query execution plans
- sparql queries
- join queries
- complex queries
- recursive queries
- efficient execution
- response time
- approximate query answering