MARGIE: Memory Analysis Response Generation, and Inference on English

A program is now running at the Stanford A r t i f i c i a l I n t e l I i gence P r o j e c t tha t analyzes na tu ra l language sentences i n t o an under ly ing language-free conceptual r e p r e s e n t a t i o n ; s to res t h i s represen ta t ion i n memory,estab l iahes re ferences and makes inferences] encodes the conceptua l r ep resen ta t i on in to an Engl ish s y n t a c t i c r e p r e s e n t a t i o n ; and then encodes the s y n t a c t i c r e p r e s e n t a t i o n i n t o an Engl ish s t r i n g . The program has two modes: PARAPHRASE and INFERENCE. In PARAPHRASE mode up to 150 semant ic paraphrases can be generated from an input sentence by read ing the conceptual rep resen ta t i on u n d e r l y i n g t ha t sentence using d i f f e r e n t words and concept comb ina t ione . 1n INFERENCE mode, most of the poss ib le i n f e r e n c e s t ha t can be made from an input sentence are produced as ou tpu t .