Jointly modelling the evolution of social structure and language in online communities

• URL: http://arxiv.org/abs/2409.19243v2
• Date: Fri, 13 Jun 2025 04:26:26 GMT
• Title: Jointly modelling the evolution of social structure and language in online communities
• Authors: Christine de Kock,
• Abstract summary: Group interactions take place within a particular socio-temporal context.<n>We propose a method for jointly modelling community structure and language over time.<n>We apply and evaluate our method in the context of a set of misogynistic extremist groups.
• Score: 5.384630221560811
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Group interactions take place within a particular socio-temporal context, which should be taken into account when modelling interactions in online communities. We propose a method for jointly modelling community structure and language over time. Our system produces dynamic word and user representations that can be used to cluster users, investigate thematic interests of groups, and predict group membership. We apply and evaluate our method in the context of a set of misogynistic extremist groups. Our results indicate that this approach outperforms prior models which lacked one of these components (i.e. not incorporating social structure, or using static word embeddings) when evaluated on clustering and embedding prediction tasks. Our method further enables novel types of analyses on online groups, including tracing their response to temporal events and quantifying their propensity for using violent language, which is of particular importance in the context of extremist groups.

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