TY  - JOUR
A1  - Konczak, Kathrin
A1  - Schaub, Torsten H.
A1  - Linke, Thomas
T1  - Graphs and colorings for answer set programming with prefernces : preliminary report
Y1  - 2003
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/15826
UR  - http://www.cs.uni-potsdam.de/wv/pdfformat/koschli03a.pdf
SN  - 1613-0073
ER  -