@inproceedings{ DBLP:conf/ijcai/Bacchus89, title = {A Modest but Semantically Well Founded Inheritance Reasoner} } , url = {BIJCAI89.pdf} } , booktitle = {Proceedings of the 11th International Joint Conference on Artificial Intelligence (IJCAI-1989)} } , author = {Fahiem Bacchus} } , area = {First Order Logics for Probability} } , year = {1989} } , bibsource = {DBLP http://dblp.uni-trier.de} } , pages = {1104-1109} }