Algebraic optimization of grouped preference queries.
Markus EndresPatrick RoocksWerner KießlingPublished in: IDEAS (2014)
Keyphrases
- query processing
- database
- optimization strategies
- optimization algorithm
- web search engines
- query language
- global optimization
- optimization process
- efficient processing
- optimization problems
- user queries
- range queries
- query evaluation
- execution plan
- answering queries
- algebraic expressions
- multi criteria
- constrained optimization
- query logs
- optimization method
- user preferences
- response time
- web search
- search queries
- query formulation
- soft constraints
- knn
- data sources
- recommender systems