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Direct: A Query Facility for Multiple Databases.
Ulla Merz
Roger King
Published in:
ACM Trans. Inf. Syst. (1994)
Keyphrases
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multiple databases
databases
database
data sources
query processing
response time
query expansion
data structure
record linkage
knowledge discovery in databases
relevance feedback
user queries
query evaluation
data mining
logic programs
multiple data sources