The Algebraic Structure of Transitive Closure and its Application to Attributed Type Signatures.

Published in: Grammars (2000)

Keyphrases

transitive closure
algebraic structure
expressive power
constraint databases
directed acyclic graph
query evaluation
first order logic
recursive queries
query language
spatial databases
relational algebra
probability theory
vector space
database
bayesian networks
decision making
data mining
databases