[PDF][PDF] Extending CHR with negation as absence

P Van Weert, J Sneyers, T Schrijvers, B Demoen - CHR, 2006 - lirias.kuleuven.be
… paper we introduce and explore an extension of CHR, called CHR … First we extend the regular
CHR syntax [11, 13] with negated … implementation has enabled us to experiment with CHR

A CHR-based implementation of known arc-consistency

M Alberti, M Gavanelli, E Lamma, P Mello… - Theory and Practice of …, 2005 - cambridge.org
… (1999a), where the ICSP model is proposed as an extension of the CSP model. In this model,
… This work can be considered as the language extension and CHR implementation of the …

A type system for CHR

E Coquery, F Fages - International Workshop on Constraint Solving and …, 2005 - Springer
… the extended execution model CLP+CHR. This system is implemented through an extension
… results on the typing of some CHR solvers, using the implementation of the system in TCLP […

CHR. js: A CHR implementation in JavaScript

F Nogatz, T Frühwirth, D Seipel - … , September 18–21, 2018, Proceedings 2, 2018 - Springer
… Since the template string contains JavaScript fragments (eg, the guard \({\mathtt {0 < N}}\)),
we extended the JavaScript meta-grammar shipped with PEG.js to be able to parse …

Adaptive CHR Meets CHR ∨  An Extended Refined Operational Semantics for CHR ∨  Based on Justifications

A Wolf, J Robin, J Vitorino - Constraint Handling Rules: Current Research …, 2008 - Springer
… However, any naive implementation of the CHR … this section we propose an extended
operational semantics of CHR … We extended the refined operational semantics of CHR presented …

[PDF][PDF] To CHR¬ or not to CHR¬: Extending CHR with negation as absence

P Van Weert, J Sneyers, T Schrijvers… - CW Reports, volume …, 2006 - Citeseer
… find_constraint/2 is a predicate which is available in the reference CHR implementation in
SICStus Prolog [5]. In this paper we introduce and explore an extension of CHR, called CHR

The CHR-based implementation of the SCIFF abductive system

M Alberti, M Gavanelli, E Lamma - Fundamenta Informaticae, 2013 - content.iospress.com
CHR constraints and implement the transitions of the operational semantics as CHR rules; in
this way, the implementation … An interesting extension of this work would be to integrate the …

Evaluation of CHR program fy 75

HL Coley - 1974 - digitalrepository.unm.edu
… The unfamiliarity of the CHR proposal and the policies of IHS, … Extended training, permanent
meeting places, working … be distributed to the CHR offices; 9) Implement uniform State and …

[PDF][PDF] Using typed interfaces to compose CHR programs

G Ringwelski, H Schlenker - RCoRP'00 (bis): Proc. 2nd Workshop …, 2000 - researchgate.net
… When reasoning about CHR programs we found that they implement the idea of pa…
Given two CHR programs, the underlying or base program B and the extension E, we want …

[PDF][PDF] Description Logic and Rules the CHR Way Extended Abstract

T Frühwirth - dtai.cs.kuleuven.be
… introduce CHR. Then we show how to implement the basic DL ALCand extensions in
CHR and … In Section 4 we discuss how and to what extent CHR rules can encode state-of-the-art …