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The Complexity of Causality and Responsibility for Query Answers and non-Answers.
Alexandra Meliou
Wolfgang Gatterbauer
Katherine F. Moore
Dan Suciu
Published in:
Proc. VLDB Endow. (2010)
Keyphrases
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query answers
query answering
query evaluation
error bounds
aggregate queries
probabilistic databases
computational complexity
worst case
data cleaning
data exchange
data integration
integrity constraints
approximate answers
incomplete information
conjunctive queries
data sets
query language
database systems