Organization and inference in a frame-like system of common sense knowledge
Eugene Charniak · 1975
this paper. The primary mechanism of understanding line of a stor is to see it as instantiating one or more FS's. So, for example, a particular FS in the shopping at the supermarket frame would be: (1) SHOPPER obtain use of BASKET (SHOPPER, BASKET, and in general any part of an FS written in all capitals is a variable. These variables must be restricted so that SHOPPER is probably human, and certainly animate, while BASKET should only be bound to baskets, as opposed to, say, pockets.) This FS would be instantiated by the second line of story (2)