SubQuery-By-Example: Eine orthogonale Erweiterung von QBE.

Alexander Scharnofske Udo W. Lipeck Michael Gertz

Published in: BTW (1997)

Keyphrases

query optimization
query language
relational algebra
effective retrieval
digital libraries
database systems
incomplete information
artificial intelligence
data processing
expressive power
data analysis
expert systems
active learning
management system
knowledge base
first order logic
information retrieval