On the provenance of non-answers to queries over extracted data.

Jiansheng Huang Ting Chen AnHai Doan Jeffrey F. Naughton

Published 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