710 search results - page 22 / 142 » Relational Expressive Power of Constraint Query Languages |
CP
2009
Springer
14 years 8 months ago
2009
Springer
The ALLDIFFERENT constraint was one of the first global constraints [17] and it enforces the conjunction of one binary constraint, the not-equal constraint, for every pair of varia...
DBPL
1997
Springer
13 years 11 months ago
1997
Springer
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
AGP
2010
IEEE
14 years 23 days ago
2010
IEEE
Constraint Logic Programming (CLP) is one of the most successful branches of Logic Programming; it attracts the interest of theoreticians and practitioners, and it is currently use...
AMAI
2004
Springer
14 years 1 months ago
2004
Springer
This work introduces a new query inference model that can access data and communicate with a teacher by asking finitely many boolean queries in a language L. In this model the pa...
COMAD
2009
13 years 8 months ago
2009
An ontology is an explicit specification of shared conceptualization. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, a...