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Guanchen Wu

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#artificial intelligence Preprint Jan 2026

EpiQAL: Benchmarking Large Language Models in Epidemiological Question Answering and Reasoning

EpiQAL provides fine-grained diagnostic signals for evidence-grounding, inferential reasoning, and conclusion reconstruction for epidemiological question answering over research literature, comprising three subsets built from open-access articles across diverse diseases.

Mingyang Wei, De-Hai Min, Zewen Liu et al. · 0 citations
Preprint Aug 2026

What the Reranker Sees: Multi-Aspect Page Annotation for Long-Document Multimodal Question Answering

This work proposes Trident, with two complementary components: Trident-R, a retriever-agnostic LLM reranker that converts each candidate into an LLM-readable semantic record, then performs a single adaptive-K rerank call; and Trident-S, a generation-side module that prompts the VLM under topical, entity, and structural...

Guanchen Wu, Jia-Yuan Ding, Subhabrata Mukherjee et al. · 0 citations

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