@inproceedings{GiurcaWagner2006, author = {Adrian Giurca and Gerd Wagner}, title = {Towards an Abstract Syntax and Direct-Model Theoretic Semantics for RuleML}, booktitle = {Rules and rule markup languages for the semantic web, first international conference, proceedings, RuleML 2005, Galway, Ireland, November 10 - 12, 2005}, editor = {Asaf Adi and Suzette Stoutenburg}, pages = {45 -- 55}, year = {2006}, }