Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System.

Mary Tork Roth Fatma Ozcan Laura M. Haas

Published in: VLDB (1999)

Keyphrases

historical data
prior knowledge
cost benefit analysis
information acquisition
information retrieval
minimum cost
domain knowledge
higher level
data sets
total cost
information processing
gathering information
statistical model
complex systems
objective function
feature selection
neural network
databases