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cs.CL2026
Hybrid Retriever Evolution for Multimodal Document Reasoning Agents
Bohan Yao, Shruthan Radhakrishna, Vikas Yadav
Different retrievers, including lexical, semantic, and multimodal approaches, provide highly complementary strengths for multimodal document understanding, yet most systems combine…
cs.CL2025
A Toolbox, Not a Hammer -- Multi-TAG: Scaling Math Reasoning with Multi-Tool Aggregation
Bohan Yao, Vikas Yadav
Augmenting large language models (LLMs) with external tools is a promising avenue for developing high-performance mathematical reasoning systems. Prior tool-augmented approaches ty…