Fuzzy Database Query Languages and Their Relational Completeness Theorem.

Yoshikane Takahashi

Published in: IEEE Trans. Knowl. Data Eng. (1993)

Keyphrases

database query languages
expressive power
relational model
relational algebra
query language
database systems
complex objects
type checking
fuzzy sets
relational calculus
relational databases
data model
fuzzy numbers
relational data
data quality
normal form
database schema