@inproceedings{DBLP:conf/wlp/Konczak06a,
title = {Weak Order Equivalence for Logic Programs with Preferences},
author = {Konczak, Kathrin},
booktitle = {{WLP}},
pages = {154--163},
publisher = {Technische Universit{\"{a}}t Wien, Austria},
series = {{INFSYS} Research Report},
volume = {1843-06-02},
year = {2006}
}