Raphael Romeikat Markus Sinsel Bernhard Bauer Transformation of Graphical ECA Policies into Executable PonderTalk Code. 193-207 2009 RuleML http://dx.doi.org/10.1007/978-3-642-04985-9_19 conf/ruleml/2009 db/conf/ruleml/ruleml2009.html#RomeikatSB09