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On Computing Aggregate Functions for Nested Historical Relations in Heterogeneous Databases Environment.
Ping-Tsai Chung
Hsin-Hua Hsiao
Published in:
PDPTA (2005)
Keyphrases
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heterogeneous databases
aggregate functions
nested relational
expressive power
relational databases
relational algebra
databases
heterogeneous data
database
aggregate queries
relational calculus
multi dimensional
efficient computation
object oriented