On the provenance of non-answers to queries over extracted data.
Jiansheng HuangTing ChenAnHai DoanJeffrey F. NaughtonPublished in: Proc. VLDB Endow. (2008)
Keyphrases
- data sets
- data sources
- data quality
- data structure
- user defined
- database
- spatial data
- query answers
- data objects
- query language
- query processing
- data analysis
- training data
- data points
- data processing
- high dimensional data
- data distribution
- query evaluation
- database queries
- efficient processing
- answering queries
- sparql queries
- data mining
- provenance information
- approximate answers