An agent-based modelling approach to wave-like diversification of language families

被引:0
|
作者
Hartmann, Frederik [1 ]
机构
[1] Univ North Texas, Dept Linguist, Denton, TX USA
关键词
linguistic diversification; wave model; phylogenetics; agent-based models; SEGREGATION; TREES;
D O I
10.1075/dia.23010.har
中图分类号
H0 [语言学];
学科分类号
030303 ; 0501 ; 050102 ;
摘要
In contrast to phylogenetic tree inference, wave model approaches are often regarded as difficult to computationally implement for inference of language relatedness. This paper proposes a basic framework for the computational modelling of wave-like diversification in language families and explains the model type of agent-based models for linguistic data. The approach is based on agent-based simulations which allow for the detailed simulation of speaker interactions within speech communities. The proposed framework operates by simulating a large number of possible diversification situations with different parameter settings and selecting those runs that yield a good fit to the linguistic data of the geographical spread of different languages. The model can be fed with the geographical extent of languages and their known innovations in order to computationally reconstruct the most likely diversification scenarios of these languages under the wave model. Contrairement & agrave; l'inf & eacute;rence bay & eacute;sienne de la phylog & eacute;nie, les approches fond & eacute;es sur la th & eacute;orie des vagues sont souvent consid & eacute;r & eacute;es comme difficiles & agrave; mettre en oeuvre sur le plan informatique afin d'analyser l'inf & eacute;rence de parent & eacute; g & eacute;n & eacute;alogique de langues. Cet article propose un cadre de base pour la mod & eacute;lisation informatique de la diversification linguistique par vagues et explique le type de mod & egrave;le bas & eacute; sur l'agent (Agent-based-models) pour les donn & eacute;es linguistiques. L'approche repose sur des simulations bas & eacute;es sur des agents permettant de simuler en d & eacute;tail les interactions entre les locuteurs au sein des communaut & eacute;s linguistiques. Le cadre propos & eacute; fonctionne en simulant un grand nombre de situations de diversification possibles avec diff & eacute;rents param & egrave;tres et en s & eacute;lectionnant celles qui correspondent le mieux aux donn & eacute;es linguistiques relatives & agrave; la r & eacute;partition g & eacute;ographique des diff & eacute;rentes langues. Le mod & egrave;le peut & ecirc;tre aliment & eacute; par l'& eacute;tendue g & eacute;ographique des langues et leurs innovations connues afin de reconstruire par calcul les sc & eacute;narios de diversification les plus probables de ces langues dans le cadre de la th & eacute;orie des vagues. Im Gegensatz zur Inferenz phylogenetischer Stammb & auml;ume werden Wellenmodelle f & uuml;r die Bestimmung von Sprachverwandtschaften oft als schwer implementierbar mit computergest & uuml;tzten Methoden angesehen. Dieser Artikel schl & auml;gt ein Grundger & uuml;st f & uuml;r die computergest & uuml;tzte Modellierung wellenf & ouml;rmiger Sprachdiversifikation vor und beschreibt den Modelltyp der agentenbasierten Modelle (Agent-based models) f & uuml;r linguistische Daten. Der Ansatz basiert auf Computersimulationen, die eine detaillierte Simulation von Sprecherinteraktionen innerhalb von Sprachgemeinschaften erm & ouml;glichen. Das vorgeschlagene Modell simuliert eine gro ss e Anzahl m & ouml;glicher Diversifizierungsszenarien mit unterschiedlichen Parametereinstellungen und w & auml;hlt diejenigen aus, die eine gute & Uuml;bereinstimmung mit den linguistischen Daten zur geografischen Ausbreitung der betreffenden Sprachfamilie aufweisen. Das Modell kann mit der geografischen Ausdehnung von Sprachen und ihren bekannten Innovationen gespeist werden, um die wahrscheinlichsten Diversifikationsszenarien dieser Sprachen im Rahmen des Wellenmodells computergest & uuml;tzt zu rekonstruieren.
引用
收藏
页码:330 / 354
页数:25
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