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Georgia Institute of Technology
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Monolithic RAG pipelines drastically underperform on multilingual financial QA compared to a bifurcated architecture that routes numeric queries to filing extraction and synthesis queries to rule-based news filtering.
A systematic ablation across five runs spanning two encoder variants, four stopping strategies, and three gate values is reported, along with negative results from GRPO policy training, BDI-II post filtering, MentalLongformer encoding, and DeBERTa ensembling.
