Probabilistic Optimization of Top N Queries.
Donko DonjerkovicRaghu RamakrishnanPublished in: VLDB (1999)
Keyphrases
- probabilistic databases
- uncertain databases
- query language
- query processing
- optimization algorithm
- web search engines
- user queries
- database queries
- execution plan
- optimization strategies
- response time
- generative model
- uncertain data
- query evaluation
- global optimization
- constrained optimization
- optimization method
- search queries
- query optimization
- optimization problems
- multi dimensional
- data sources
- databases
- database
- statistical databases
- query plan
- answering queries
- exact and approximate
- database systems
- search engine