Controlling Inference in Story Understanding

SAM r e a d s s t o r i e s l i k e t h i s by i n t r o d u c i n g a f r a m e l i k e d a t a s t r u c t u r e c a l l e d a S c r i p t [ 2 ] when the f i r s t sen tence i s a n a l y z e d , and b y f i n d i n g subsequent i n p u t s i n t h i s c o n t e x t v i a t he e x p e c t a t i o n s t h a t a r e p r o g r e s s i v e l y a r o u s e d . The r e c o g n i t i o n p rocess i s d r i v e n b y a p a t t e r n m a t c h o f t h e i n p u t c o n c e p t u a l i z a t i o n a g a i n s t a t e m p l a t e s t o r e d i n the S c r i p t . (SAM works i n t e r n a l l y w i t h meaning s t r u c t u r e s coded i n the Concep tua l Dependency sys tem [ 2 ] . )