ATTENTION,  INTENTIONS,  AND THE STRUCTURE OF DISCOURSE

ATTENTION, INTENTIONS, AND THE STRUCTURE OF DISCOURSE (1986)

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by Barbara J. Grosz , Candace L. Sidner

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920 - 34 self

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Datum	Value	Source
TITLE	SRI International	SVM HeaderParse 0.1
AUTHOR NAME	Barbara J. Grosz	SVM HeaderParse 0.1
AUTHOR AFFIL	; Artificial Intelligence Center and; Center for the Study of Language and Information	SVM HeaderParse 0.2
AUTHOR ADDR	; Menlo Park, CA 94025	SVM HeaderParse 0.1
AUTHOR NAME	Candace L. Sidner	SVM HeaderParse 0.1
AUTHOR AFFIL	BBN Laboratories Inc.	SVM HeaderParse 0.2
AUTHOR ADDR	Cambridge, MA 02238	SVM HeaderParse 0.1
ABSTRACT	In this paper we explore a new theory of discourse structure that stresses the role of purpose and processing in discourse. In this theory, discourse structure is composed of three separate but interre-lated components: the structure of the sequence of utterances (called the linguistic structure), a struc-ture of purposes (called the intentional structure), and the state of focus of attention (called the attentional state). The linguistic structure consists of segments of the discourse into which the utter-ances naturally aggregate. The intentional structure captures the discourse-relevant purposes, expressed in each of the linguistic segments as well as relationships among them. The attentional state is an abstraction of the focus of attention of the participants as the discourse unfolds. The attentional state, being dynamic, records the objects, properties, and relations that are salient at each point of the discourse. The distinction among these components is essential to provide an adequate explanation of such discourse phenomena as cue phrases, referring expressions, and interruptions. The theory of attention, intention, and aggregation of utterances is illustrated in the paper with a number of example discourses. Various properties of discourse are described, and explanations for the behavior of cue phrases, referring expressions, and interruptions are explored. This theory provides a framework for describing the processing of utterances in a discourse. Discourse processing requires recognizing how the utterances of the discourse aggregate into segments, recognizing the intentions expressed in the discourse and the relationships among intentions, and track-ing the discourse through the operation of the mechanisms associated with attentional state. This processing description specifies in these recognition tasks the role of information from the discourse and from the participants ' knowledge of the domain. 1	SVM HeaderParse 0.1
CITATIONS	54 found	ParsCit 1.0