CGO: A Sound Genetic Optimizer for Cyclic Query Graphs.
Victor Muntés-MuleroJosep Aguilar-SaboritCalisto ZuzarteJosep Lluís Larriba-PeyPublished in: International Conference on Computational Science (1) (2006)
Keyphrases
- query processing
- database
- query optimizer
- flow graphs
- user queries
- response time
- query execution
- range queries
- optimization algorithm
- relevance feedback
- data structure
- query optimization
- genetic algorithm
- query evaluation
- query expansion
- user interaction
- vector space
- retrieval method
- data sources
- graph theoretic
- query graph
- rewriting rules
- execution plan
- reachability queries
- solving optimization problems
- query optimizers
- proximity graph
- complex queries
- database queries
- graph theory
- bipartite graph
- retrieval systems
- objective function
- keywords
- database systems
- databases