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A GOAL-ORIENTED MODEL OF NATURAL LANGUAGE INTERACTION

IP.com Disclosure Number: IPCOM000128645D
Original Publication Date: 1977-Dec-31
Included in the Prior Art Database: 2005-Sep-16

Publishing Venue

Software Patent Institute

Related People

James A. Moore: AUTHOR [+5]

Abstract

This report describes a research program in modeling human communication. The methodology involved selecting a single, naturally-occurring dialogue, instructing a human observer to extract certain aspects of the dialogue relating to its comprehension, and then using these aspects to guide the building and verification of a model of the dialogue participants. Underlying the model is the development of a new theory of language, according to which people engage in language behavior in order to pursue their own goals. People are able to communicate effectively in dialogues because they share an understanding of a collection of interrelated, cooperative goal structures, held and pursued by each other. The recognition of this shared knowledge within the model leads to an accounting of some aspects of implicit communication. This report contains a detailed statement of the problem, a review of related research, and a description of the contributions of this research to linguistic theory. It then describes the dialogue model in its current state of development (with a detailed simulation of the model in the Appendix) followed by an exploration of the methodology of which this model development is a part. Finally, the deficiencies of existing man-machine interfaces are summarized, in the light of this research.

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THIS DOCUMENT IS AN APPROXIMATE REPRESENTATION OF THE ORIGINAL.

A GOAL-ORIENTED MODEL OF NATURAL LANGUAGE INTERACTION

James A. Moore James A. Levin William C. Mann

ISI/RR-77-52

January 1977

USC/Information Sciences Institute

4676 Admiralty Way Marina Del Rey, California 90291 The research reported herein is supported by the Personnel and Training Research Programs of the Office of Naval Research (Code 458), Arlington VA 22217, Contract Authority Identification Number NR 154-374, Contract N00014-75-C-0710, under ARPA Order Number 2930 from the Cybernetics Technology Office of the Advanced Research Projects Agency. The report is approved for public release; distribution is unlimited. Reproduction in whole or in part is permitted for any purpose of the United States Government. Opinions expressed herein are those of the authors and do not necessarily reflect policy of any agency of the United States Government.

CONTENTS

1. Abstract 3 2. Statement of the Problem 4

3. Past Research on Language Comprehension 6

4. The Shape of the Theory 8

5. The Dialogue-game Model 6. Research Methodology 25 7. Deficiencies in Current Man- machine Communication 37 8. Summary and Conclusions 38 9. References 40 A. Appendix -- Simulation of the Dialogue Modeling System

ABSTRACT

This report describes a research program in modeling human communication. The methodology involved selecting a single, naturally-occurring dialogue, instructing a human observer to extract certain aspects of the dialogue relating to its comprehension, and then using these aspects to guide the building and verification of a model of the dialogue participants.

Underlying the model is the development of a new theory of language, according to which people engage in language behavior in order to pursue their own goals. People are able to communicate effectively in dialogues because they share an understanding of a collection of interrelated, cooperative goal structures, held and pursued by each other. The recognition of this shared knowledge within the model leads to an accounting of some aspects of implicit communication.

This report contains a detailed statement of the problem, a review of related research, and a description of the contributions of this research to linguistic theory. It then describes the

University of Southern California Page 1 Dec 31, 1977

Page 2 of 43

A GOAL-ORIENTED MODEL OF NATURAL LANGUAGE INTERACTION

dialogue model in its current state of development (with a detailed simulation of the model in the Appendix) followed by an exploration of the methodology of which this model development is a part. Finally, the deficiencies of existing man-machine interfaces are summarized, in the light of this research.

STATEMENT OF TILE PROBLEM

Our broadest goat is to improve the sorry state of interactive man-machine communication, including its appearance of complexity, rigidity, lack of continuity and the difficulty many people have in acquiring useful levels of competence. I...