Preprint
Comparing Downward Fragments of the Relational Calculus with Transitive Closure on Trees
Abstract
Motivated by the continuing interest in the tree data model, we study the
expressive power of downward navigational query languages on trees and chains.
Authors
Hellings J; Gyssens M; Wu Y; Van Gucht D; Bussche JVD; Vansummeren S; Fletcher GHL
Publication date
March 4, 2018
DOI
10.48550/arxiv.1803.01390
Preprint server
arXiv