Predicting Query Performance by Query-Drift Estimation.
Anna ShtokOren KurlandDavid CarmelPublished in: ICTIR (2009)
Keyphrases
- query processing
- response time
- query execution
- database
- relevance feedback
- cost model
- query expansion
- range queries
- r tree
- query evaluation
- query optimization
- user queries
- estimation algorithm
- accurate estimation
- query formulation
- parameter estimation
- xml data
- multi dimensional
- data sources
- keywords
- database queries
- correct answers
- retrieval method
- keyword search
- retrieval systems
- index structure
- metadata