@inproceedings{CGS06b,
author = {R. Caballero and Y. Garc\'ia-Ruiz and F. S\'aenz-P\'erez},
booktitle = {Proceedings of VI Jornadas of PROgramaci\'on y LEnguajes (Prole 2006)},
editor = {P. Lucio and F. Orejas},
publisher = {CINME},
title = {Towards a Set Oriented Calculus for Logic Programming},
year = {2006}
}