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Paper Information

lrec2026-main-556

unarXive 2024: A Large-Scale Scientific Corpus for Citation-Aware Retrieval and Generation

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Title

unarXive 2024: A Large-Scale Scientific Corpus for Citation-Aware Retrieval and Generation

Abstract

Full-text collections of scientific papers are essential for NLP research and the training of language models. However, existing resources remain incomplete: they often lag behind the fast-paced growth of scientific publishing, lack comprehensive citation networks, and discard essential structural elements. In this work, we introduce unarXive 2024, a large-scale, richly structured corpus containing every arXiv submission from January 1991 to December 2024 – over 2.28 million documents across physics, mathematics, computer science, and other fields. Our release enhances each paper with detailed metadata, reconstructs a substantially more complete citation network than existing datasets, and preserves fine-grained structural information, including section boundaries, mathematical notation, and non-textual elements. Beyond the corpus itself, we provide dense and sparse indexes optimized for retrieval-augmented generation (RAG) over the full arXiv archive. All resources, including code and data, are publicly available: https://github.com/faerber-lab/unarXive-2024


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