心理词典导航:网络结构、词汇搜索和词汇检索。

IF 1.6 2区 文学 Q1 LINGUISTICS
M P Agustín-Llach, J Rubio
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引用次数: 0

摘要

本文探讨了联想模式对我们理解心理词典的影响。通过将图论原理应用于单词联想数据,我们打算探索哪些测量方法能更好地挖掘词汇知识。为此,我们让不同群体的英语作为外语学习者完成了一项词汇流利性任务。基于这些经验数据,我们对相应的词汇可用性图(LAG)进行了研究。研究发现,对特定主题的所有词条进行汇总(通过人工编码),可以发现一些词义模式。其中最重要的是一些关键词语的存在,它们在网络理论中具有高中心性,在 LAG 中具有高可用性,是相关词语的中心。这些词语群落围绕着一个锚词或最核心的词语而组成,可以很好地通过一种著名的网络度量标准--模块性--来理解。有趣的是,每个模块似乎都描述了一个概念类,这表明集体词库,至少是近似于LA图的集体词库,是由语义机制或关联(例如通过同义或近义)组织和穿越的。另一个经验观察结果是,这些概念枢纽可以被附加,从而导致与相同大小的随机图相比直径较大;即便如此,小世界假说在洛杉矶图中似乎仍然成立,就像在其他社会和自然网络中一样。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Navigating the Mental Lexicon: Network Structures, Lexical Search and Lexical Retrieval.

Navigating the Mental Lexicon: Network Structures, Lexical Search and Lexical Retrieval.

This paper examines the implications of the association patterns in our understanding of the mental lexicon. By applying the principles of graph theory to word association data, we intend to explore which measures tap better into lexical knowledge. To that end, we had different groups of English as Foreign language learners complete a lexical fluency task. Based on these empirical data, a study was undertaken on the corresponding lexical availability graph (LAG). It is observed that the aggregation (mentioned through human coding) of all lexical tokens on a given topic allows the emergence of some lexical-semantic patterns. The most important one is the existence of some key terms, featuring both high centrality in the sense of network theory and high availability in the LAG, which define a hub of related terms. These communities of words, each one organized around an anchor term, or most central word, are nicely apprehended by a well-known network metric called modularity. Interestingly enough, each module seems to describe a conceptual class, showing that the collective lexicon, at least as approximated by LA Graphs, is organised and traversed by semantic mechanisms or associations via hyponymy or hiperonymy, for instance. Another empirical observation is that these conceptual hubs can be appended, resulting in high diameters compared to same-sized random graphs; even so it seems that the small-world hypothesis holds in LA Graphs, as in other social and natural networks.

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来源期刊
CiteScore
3.00
自引率
5.00%
发文量
92
期刊介绍: Journal of Psycholinguistic Research publishes carefully selected papers from the several disciplines engaged in psycholinguistic research, providing a single, recognized medium for communications among linguists, psychologists, biologists, sociologists, and others. The journal covers a broad range of approaches to the study of the communicative process, including: the social and anthropological bases of communication; development of speech and language; semantics (problems in linguistic meaning); and biological foundations. Papers dealing with the psychopathology of language and cognition, and the neuropsychology of language and cognition, are also included.
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