ABSTRACT

This study formalizes and compares two major hypotheses in speakers’ choices of referring expressions: the topicality model that chooses a form based on the topicality of the referent, and the rational model that chooses a form based on the informativity of the form and its speech cost. Simulations suggest that both the topicality of the referent and the informativity of the word are important to consider in speakers’ choices of reference forms, while a speech cost metric that prefers shorter forms may not be.

中文翻译：

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信息性、话题性和语音成本：比较说话者的指称表达选择模型

摘要

本研究对说话人选择指称表达的两个主要假设进行形式化和比较：基于所指对象的话题性来选择形式的话题性模型，以及基于形式的信息性及其言语成本来选择形式的理性模型。 . 模拟表明，在说话者选择参考形式时，所指对象的时事性和单词的信息性都很重要，而更喜欢较短形式的语音成本度量可能不是。