@article{DBLP:journals/ai/EiterL02, title = "Complexity Results for Structure-Based Causality", author = "Thomas Eiter and Thomas Lukasiewicz", year = "2002", journal = "Artificial Intelligence", month = "November", number = "1", pages = "53--89", url = "http://dx.doi.org/10.1016/S0004-3702(02)00271-0", volume = "142", }