Optimization of Relational Preference Queries.
Bernd HafenrichterWerner KießlingPublished in: ADC (2005)
Keyphrases
- query processing
- query language
- database
- relational queries
- data model
- efficient processing
- range queries
- optimization algorithm
- response time
- relational operators
- database query languages
- query evaluation
- global optimization
- optimization strategies
- aggregate queries
- relational calculus
- execution plan
- query plan
- cost model
- relational data
- user queries
- relational databases
- complex queries
- relational database systems
- relational model
- answering queries
- probabilistic databases
- data objects
- web search engines
- aggregate functions
- xml query languages
- data sources