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Researchers from Bangladesh University of Engineering and Technology present CBRS, a multi-platform framework that filters and parses blood donation requests from social media using a dual-layer architecture and a novel 11K bilingual dataset in Bengali and English. Their LoRA fine-tuned Llama-3.2-3B model achieves 99% filtering accuracy and 92% zero-shot parsing accuracy, outperforming GPT-4o-mini and other LLMs with 35× reduced token usage.