WLP 2014 28th Workshop on
(Constraint) Logic Programming
WFLP 2014 23rd International
Workshop on Functional and (Constraint) Logic Programming
September 15-17, 2014, Wittenberg
Proceedings
Table of Contents
About WLP 2014 . . . 4 About WFLP 2014 . . . 6
I 28th Workshop on (Constraint) Logic Program-
ming 9
Embedding Defeasible Logic Programs into Gener-
alized Logic Programs . . . 11 Martin Bal´aˇz, Jozef Frt´us, Martin Homola, J´an ˇSefr´anek
and Giorgos Flouris
Describing and Measuring the Complexity of SAT
encodings for Constraint Programs. . . 26 Alexander Bau and Johannes Waldmann
PPI — A Portable Prolog Interface for Java . . . 38 Ludwig Ostermayer, Frank Flederer and Dietmar Seipel
Declarative Evaluation of Ontologies with Rules . . . 53 Dietmar Seipel, Joachim Baumeister and Klaus Pr¨ator
Automated Exercises for Constraint Programming . 66 Johannes Waldmann
Complex Certainty Factors for Rule Based Systems
— Detecting Inconsistent Argumentations (Invited
Talk). . . 81 Ta¨ıeb Mellouli
II 23rd International Workshop on Functional and
(Constraint) Logic Programming 103
Declarative Multi-paradigm Programming. . . 105
2
Michael Hanus
Interpreting XPath by Iterative Pattern Matching
with Paisley . . . 108 Baltasar Tranc´on y Widemann and Markus Lepper
Exploring Non-Determinism in Graph Algorithms . 125 Nikita Danilenko
Curry without Success . . . 140 Sergio Antoy and Michael Hanus
A Partial Evaluator for Curry . . . 155 Michael Hanus and Bj¨orn Peem¨oller
Automatic Testing of Operation Invariance . . . 172 Tobias G¨odderz and Janis Voigtl¨ander
3