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The Fixed Sub-Center: A Better Way to Capture Data Complexity.

Zhemin Zhang Xun Gong

Published in: CoRR (2022)

Keyphrases

data complexity
expressive power
query answering
query evaluation
combined complexity
conjunctive queries
lower complexity
np complete
query complexity
polynomial delay
exptime complete
special case
incomplete information
data warehouse
datalog programs
dl lite
query language
query processing
data sets
database