JSAI2023

Presentation information

Organized Session

Organized Session » OS-6

[4H2-OS-6a] 言語とコミュニケーションの創発 ~記号創発システムから共創的言語進化まで~

Fri. Jun 9, 2023 12:00 PM - 1:40 PM Room H (B1)

オーガナイザ:上田 亮、谷口 忠大、鈴木 麗璽、中村 友昭、橋本 敬

12:40 PM - 1:00 PM

[4H2-OS-6a-03] Creole Simplicity and Compositionality of the Languages Arising in a Plain Emergent Language Contact Model

〇Daichi Kato1, Ryo Ueda1, Yusuke Miyao1 (1. The University of Tokyo)

Keywords:Emergent Language, Language Contact, Creole Simplicity, Compositionality, Emergent Communication

This paper aims to analyze creole simplicity, the tendency of languages to be simplified when distinct languages are brought into contact, and compositionality, the property of languages that combination of words makes languages express tremendously large numbers of matters, of the languages arising in a plain emergent language contact model. Previous work succeeds in reproducing creole simplicity by the simulation of the language contact phenomena with emergent languages. However, their models are too intricate to ascertain whether the language contact itself contributes to the results or whether their intricate network architectures and game settings accidentally create the results. Therefore, we first design a maximally plain model and ensure that the languages arising in the plain model still show creole simplicity by a few metrics. Moreover, we visualize how language contact affects compositionality, which reveals that 1) compositionality jumps up immediately after training begins; 2) pre-contact and post-contact languages have different ways of changing; 3) post-contact languages have higher compositionality in the end.

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