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A gradient perspective on modeling interdialectal transitions

Published online by Cambridge University Press:  17 April 2019

Péter Jeszenszky*
Affiliation:
Department of Geography, University of Zurich (UZH), Winterthurerstrasse 190, CH-8057, Zurich Department of Geography, Ritsumeikan University, Institute of Disaster Mitigation for Urban Cultural Heritage, 58, Komatsubara Kitamachi, Kita-ku, 603-8341, Kyoto
Philipp Stoeckle
Affiliation:
German Department, University of Zurich (UZH), Schönberggasse 2, CH-8001, Zurich Austrian Academy of Sciences, Austrian Centre for Digital Humanities (ACDH), Postgasse 7-9, 1010, Vienna
Elvira Glaser
Affiliation:
German Department, University of Zurich (UZH), Schönberggasse 2, CH-8001, Zurich
Robert Weibel
Affiliation:
Department of Geography, University of Zurich (UZH), Winterthurerstrasse 190, CH-8057, Zurich
*
*Corresponding author: Péter Jeszenszky, Department of Geography, University of Zurich (UZH), Winterthurerstrasse 190, CH-8057, Zurich, peter.jeszenszky@geo.uzh.ch

Abstract

Finding the boundaries of linguistic variants and studying transitions between variants are key interests in classical linguistic geography. However, the definition of boundaries in areal linguistics is vague, and a quantitative characterization of transitions at the interface between dialectal variants is missing. We conceptualize these transitions as gradients, aiming to quantitatively account for the transition patterns which are traditionally only implicitly inferred from visualizations. Fitting of logistic functions in different spatial scopes (profiles as well as surfaces) is proposed as an approach to model the transition at the interface between the dominant usage areas of dialectal variants. Logistic functions can accommodate the breadth of boundary concepts, ranging from sharp isoglosses to transitions with different gradualities. The parameters of the fitted logistic models as well as supplementary measures then allow for the quantitative characterization and comparison of transitions across variables. To demonstrate the proposed methodology, we use Swiss German syntactic data on dialectal variables with a single transition zone.

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Articles
Copyright
© Cambridge University Press 2019 

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