This paper presents a documentation framework and an exploratory analysis of language use in everyday interactions at rural gatherings in aging Japan, a communicative setting shaped by distinct social contexts that remain largely absent from existing language resources. Drawing on studies of face-to-face encounters, we propose a typology of rural gatherings and examine mobile supermarkets (vehicles that transport and sell daily necessities at scheduled stops in areas that lack fixed retail stores) as a case study. We present a preliminary analysis based on a community-mediated recording methodology. The quantitative findings reveal that conversational hot spots occur immediately following the encounter and transaction phases, indicating that participants experience these encounters as occasions for social connection rather than mere commercial transactions. The qualitative findings from the interaction analysis demonstrate how participants simultaneously manage work and conversation through vocal, bodily, and temporal resources in a social context. We discuss how these findings illuminate dimensions in social contexts that require interdisciplinary investigation beyond what existing language resources currently capture.

This paper describes a method for annotating the Japanese Sign Language (JSL) dialogue corpus. We developed a way to identify interactional boundaries and define a ‘utterance unit’ in sign language using various multimodal features accompanying signing. The utterance unit is an original concept for segmenting and annotating sign language dialogue referring to signer’s native sense from the perspectives of Conversation Analysis (CA) and Interaction Studies. First of all, we postulated that we should identify a fundamental concept of interaction-specific unit for understanding interactional mechanisms, such as turn-taking (Sacks et al. 1974), in sign-language social interactions. Obviously, it does should not relying on a spoken language writing system for storing signings in corpora and making translations. We believe that there are two kinds of possible applications for utterance units: one is to develop corpus linguistics research for both signed and spoken corpora; the other is to build an informatics system that includes, but is not limited to, a machine translation system for sign languages.