@inproceedings{DBLP:conf/asp/KonczakSL03, title = {Graphs and coloring for answer set programming: Preliminary Report}, author = {Konczak, Kathrin and Schaub, Torsten and Linke, Thomas}, booktitle = {Answer Set Programming}, publisher = {CEUR-WS.org}, series = {{CEUR} Workshop Proceedings}, volume = {78}, year = {2003} }