Graphical Specification of Recursive Queries.

Bogdan D. Czejdo Ralph P. Tucci David W. Embley

Published in: ICCI (1991)

Keyphrases

recursive queries
transitive closure
query optimization
query language
expressive power
semi structured data
fixpoint
relational algebra
datalog programs
constraint databases
database theory
query containment
web documents
structured data
open problems