Best Position Algorithms for Top-k Queries.
Reza AkbariniaEsther PacittiPatrick ValduriezPublished in: VLDB (2007)
Keyphrases
- query processing
- database
- data structure
- computational cost
- learning algorithm
- exact and approximate
- computational complexity
- scoring functions
- computationally efficient
- approximate answers
- access methods
- efficient processing
- result set
- query logs
- query evaluation
- user defined
- query optimization
- response time
- worst case
- significant improvement
- databases