Steven Shapiro Gerhard Brewka Dynamic Interactions between Goals and Beliefs. 2625-2630 2007 conf/ijcai/2007 IJCAI http://dli.iiit.ac.in/ijcai/IJCAI-2007/PDF/IJCAI07-422.pdf db/conf/ijcai/ijcai2007.html#ShapiroB07