A Relational Algebra for Data/Metadata Integration in a Federated Database System.

Catharine M. Wyss Dirk Van Gucht

Published in: CIKM (2001)

Keyphrases

metadata
database systems
relational algebra
database
data structure
data points
data model
databases
relational database systems
data quality
data sources
data analysis
relational model
data mining
relational data model
expert systems
distributed systems
data integration
user defined
knowledge base
heterogeneous data