710 search results - page 22 / 142 » Relational Expressive Power of Constraint Query Languages |
190
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CP
2009
Springer
15 years 12 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
15 years 3 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...
171
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AGP
2010
IEEE
15 years 4 months 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
15 years 4 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...
150
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COMAD
2009
15 years 13 days 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...