Ellipsis and Coreference Resolution in a Computerized Virtual Patient Dialogue System

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Title:	Ellipsis and Coreference Resolution in a Computerized Virtual Patient Dialogue System
Authors:	Hsu, Hui-huang
Keywords:	Computerized virtual patient;Coreference resolution;Dialogue system;Ellipsis;Pronominal anaphora
Date:	2016-08-12
Issue Date:	2018-10-11 12:10:53 (UTC+8)
Publisher:	Springer
Abstract:	This paper describes the design of an ellipsis and coreference resolution module integrated in a computerized virtual patient dialogue system. Real medical diagnosis dialogues have been collected and analyzed. Several groups of diagnosis-related concepts were defined and used to construct rules, patterns, and features to detect and resolve ellipsis and coreference. The best F-scores of ellipsis detection and resolution were 89.15 % and 83.40 %, respectively. The best F-scores of phrasal coreference detection and resolution were 93.83 % and 83.40 %, respectively. The accuracy of pronominal anaphora resolution was 92 % for the 3rd-person singular pronouns referring to specific entities, and 97.31 % for other pronouns.
Relation:	Journal of Medical Systems, 40 (9): 206
DOI:	10.1007/s10916-016-0562-x
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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