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  • 标题:A Reformulation of Rule 2 of Centering Theory
  • 本地全文:下载
  • 作者:Rodger Kibble
  • 期刊名称:Computational Linguistics
  • 印刷版ISSN:0891-2017
  • 电子版ISSN:1530-9312
  • 出版年度:2001
  • 卷号:27
  • 期号:4
  • 页码:579-587
  • DOI:10.1162/089120101753342680
  • 语种:English
  • 出版社:MIT Press
  • 摘要:The standard preference ordering on the well-known centering transitions Continue, Retain, Shift is argued to be unmotivated: a partial, context-dependent ordering emerges from the interaction between principles dubbed cohesion (maintaining the same center of attention) and salience (realizing the center of attention as the most prominent NP). A new formulation of Rule 2 of centering theory is proposed that incorporates these principles as well as a streamlined version of Strube and Hahn's (1999) notion of cheapness. It is argued that this formulation provides a natural way to handle “topic switches” that appear to violate the canonical preference ordering.
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