Optimal Sample Cost Residues for Differential Database Batch Query Problems.
Dan E. WillardPublished in: J. ACM (1991)
Keyphrases
- database
- databases
- database queries
- query processing
- information retrieval
- relational databases
- response time
- database management systems
- access methods
- web databases
- minimum cost
- data sources
- optimal solution
- np complete
- information retrieval systems
- query execution
- heterogeneous databases
- database objects
- answering queries
- query answers