Paper
RMIT-ADM+S at the MMU-RAG NeurIPS 2025 Competition
Authors
Kun Ran, Marwah Alaofi, Danula Hettiachchi, Chenglong Ma, Khoi Nguyen Dinh Anh, Khoi Vo Nguyen, Sachin Pathiyan Cherumanal, Lida Rashidi, Falk Scholer, Damiano Spina, Shuoqi Sun, Oleg Zendel
Abstract
This paper presents the award-winning RMIT-ADM+S system for the Text-to-Text track of the NeurIPS~2025 MMU-RAG Competition. We introduce Routing-to-RAG (R2RAG), a research-focused retrieval-augmented generation (RAG) architecture composed of lightweight components that dynamically adapt the retrieval strategy based on inferred query complexity and evidence sufficiency. The system uses smaller LLMs, enabling operation on a single consumer-grade GPU while supporting complex research tasks. It builds on the G-RAG system, winner of the ACM~SIGIR~2025 LiveRAG Challenge, and extends it with modules informed by qualitative review of outputs. R2RAG won the Best Dynamic Evaluation award in the Open Source category, demonstrating high effectiveness with careful design and efficient use of resources.
Metadata
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Raw Data (Debug)
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"raw_xml": "<entry>\n <id>http://arxiv.org/abs/2602.20735v1</id>\n <title>RMIT-ADM+S at the MMU-RAG NeurIPS 2025 Competition</title>\n <updated>2026-02-24T09:58:25Z</updated>\n <link href='https://arxiv.org/abs/2602.20735v1' rel='alternate' type='text/html'/>\n <link href='https://arxiv.org/pdf/2602.20735v1' rel='related' title='pdf' type='application/pdf'/>\n <summary>This paper presents the award-winning RMIT-ADM+S system for the Text-to-Text\n track of the NeurIPS~2025 MMU-RAG Competition. We introduce Routing-to-RAG\n (R2RAG), a research-focused retrieval-augmented generation (RAG)\n architecture composed of lightweight components that dynamically adapt the\n retrieval strategy based on inferred query complexity and evidence\n sufficiency. The system uses smaller LLMs, enabling operation on a single\n consumer-grade GPU while supporting complex research tasks. It builds on the\n G-RAG system, winner of the ACM~SIGIR~2025 LiveRAG Challenge, and extends it\n with modules informed by qualitative review of outputs. R2RAG won the Best\n Dynamic Evaluation award in the Open Source category, demonstrating high\n effectiveness with careful design and efficient use of resources.</summary>\n <category scheme='http://arxiv.org/schemas/atom' term='cs.IR'/>\n <category scheme='http://arxiv.org/schemas/atom' term='cs.AI'/>\n <category scheme='http://arxiv.org/schemas/atom' term='cs.CL'/>\n <published>2026-02-24T09:58:25Z</published>\n <arxiv:comment>MMU-RAG NeurIPS 2025 winning system</arxiv:comment>\n <arxiv:primary_category term='cs.IR'/>\n <author>\n <name>Kun Ran</name>\n </author>\n <author>\n <name>Marwah Alaofi</name>\n </author>\n <author>\n <name>Danula Hettiachchi</name>\n </author>\n <author>\n <name>Chenglong Ma</name>\n </author>\n <author>\n <name>Khoi Nguyen Dinh Anh</name>\n </author>\n <author>\n <name>Khoi Vo Nguyen</name>\n </author>\n <author>\n <name>Sachin Pathiyan Cherumanal</name>\n </author>\n <author>\n <name>Lida Rashidi</name>\n </author>\n <author>\n <name>Falk Scholer</name>\n </author>\n <author>\n <name>Damiano Spina</name>\n </author>\n <author>\n <name>Shuoqi Sun</name>\n </author>\n <author>\n <name>Oleg Zendel</name>\n </author>\n </entry>"
}