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Learning language (with) grammars: From teaching Latin to learning domain-specific grammars

  • This thesis describes work in three areas: grammar engineering, computer-assisted language learning and grammar learning. These three parts are connected by the concept of a grammar-based language learning application. Two types of grammars are of concern. The first we call resource grammars, extensive descriptions a natural languages. Part I focuses on this kind of grammars. The other are domain-specific or application-specific grammars. These grammars only describe a fragment of natural language that is determined by the domain of a certain application. Domain-specific grammars are relevant for Part II and Part III. Another important distinction is between humans learning a new natural language using computational grammars (Part II) and computers learning grammars from example sentences (Part III). Part I of this thesis focuses on grammar engineering and grammar testing. It describes the development and evaluation of a computational resource grammar for Latin. Latin is known for its rich morphology and free word order, both have to be handled in a computationally efficient way. A special focus is on methods how computational grammars can be evaluated using corpus data. Such an evaluation is presented for the Latin resource grammar. Part II, the central part, describes a computer-assisted language learning application based on domain-specific grammars. The language learning application demonstrates how computational grammars can be used to guide the user input and how language learning exercises can be modeled as grammars. This allows us to put computational grammars in the center of the design of language learning exercises used to help humans learn new languages. Part III, the final part, is dedicated to a method to learn domain- or application-specific grammars based on a wide-coverage grammar and small sets of example sentences. Here a computer is learning a grammar for a fragment of a natural language from example sentences, potentially without any additional human intervention. These learned grammars can be based e.g. on the Latin resource grammar described in Part II and used as domain-specific lesson grammars in the language learning application described Part II.

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Author:Herbert LangeORCiD
Publisher:University of Gothenburg
Place of publication:Gothenburg
Referee:Aarne RantaORCiDGND
Advisor:Peter Ljunglöf, Koen Claessen
Document Type:Doctoral Thesis
Year of first Publication:2020
Date of Publication (online):2022/07/15
Publishing Institution:Leibniz-Institut für Deutsche Sprache (IDS)
Date of final exam:2020/09/16
Reviewstate:Qualifikationsarbeit (Dissertation, Habilitationsschrift)
Tag:Latin; Latin morphology; Latin syntax; computer-assisted language learning; constraint optimization; constraint satisfaction; corpus-based evaluation; grammar engineering; grammar learning; grammar testing
GND Keyword:Computerunterstütztes Lernen; Constraint-Erfüllung; Fremdsprachenlernen; Grammatik; Korpus <Linguistik>; Latein; Morphologie <Linguistik>; Natürliche Sprache; Syntax
Page Number:xviii; 166
University:University of Gothenburg
City of University:Göteborg
DDC classes:400 Sprache / 400 Sprache, Linguistik
Open Access?:ja
Licence (German):License LogoUrheberrechtlich geschützt