LLMs as Cultural Archives: Cultural Commonsense Knowledge Graph Extraction

• URL: http://arxiv.org/abs/2601.17971v1
• Date: Sun, 25 Jan 2026 20:05:04 GMT
• Title: LLMs as Cultural Archives: Cultural Commonsense Knowledge Graph Extraction
• Authors: Junior Cedric Tonga, Chen Cecilia Liu, Iryna Gurevych, Fajri Koto,
• Abstract summary: Large language models (LLMs) encode rich cultural knowledge learned from diverse web-scale data.<n>We present an iterative, prompt-based framework for constructing a Cultural Commonsense Knowledge Graph (CCKG)<n>We find that the cultural knowledge graphs are better realized in English, even when the target culture is non-English.
• Score: 57.23766971626989
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large language models (LLMs) encode rich cultural knowledge learned from diverse web-scale data, offering an unprecedented opportunity to model cultural commonsense at scale. Yet this knowledge remains mostly implicit and unstructured, limiting its interpretability and use. We present an iterative, prompt-based framework for constructing a Cultural Commonsense Knowledge Graph (CCKG) that treats LLMs as cultural archives, systematically eliciting culture-specific entities, relations, and practices and composing them into multi-step inferential chains across languages. We evaluate CCKG on five countries with human judgments of cultural relevance, correctness, and path coherence. We find that the cultural knowledge graphs are better realized in English, even when the target culture is non-English (e.g., Chinese, Indonesian, Arabic), indicating uneven cultural encoding in current LLMs. Augmenting smaller LLMs with CCKG improves performance on cultural reasoning and story generation, with the largest gains from English chains. Our results show both the promise and limits of LLMs as cultural technologies and that chain-structured cultural knowledge is a practical substrate for culturally grounded NLP.

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