Optimizing the Computation of Approximate Certain Query Answers over Incomplete Databases.
Nicola FiorentinoCristian MolinaroIrina TrubitsynaPublished in: FQAS (2019)
Keyphrases
- databases
- query answers
- approximate answers
- efficient computation
- aggregate queries
- query answering
- knowledge discovery
- wavelet synopses
- relational databases
- query evaluation
- error bounds
- probabilistic databases
- database
- missing data
- data management
- relational algebra
- database queries
- data integration
- database applications
- data warehouse
- null values
- database systems
- relational model
- data cleaning
- data sets